| afghanistan | ghazni province | giardia intestinalis | species | 0 | 3 |
| albania | | giardia intestinalis | species | 28 | 0 |
| albania | elbasan county | giardia intestinalis | species | 0 | 1 |
| albania | tirana county | giardia intestinalis | species | 0 | 2 |
| algeria | | giardia intestinalis | species | 15 | 0 |
| angola | | giardia intestinalis | species | 28 | 0 |
| angola | bengo province | giardia intestinalis | species | 0 | 1 |
| argentina | | giardia intestinalis | species | 7 | 0 |
| argentina | buenos aires city | giardia intestinalis | species | 0 | 2 |
| argentina | buenos aires province | giardia intestinalis | species | 0 | 2 |
| argentina | chaco province | giardia intestinalis | species | 0 | 1 |
| argentina | corrientes province | giardia intestinalis | species | 0 | 1 |
| argentina | mendoza province | giardia intestinalis | species | 0 | 1 |
| argentina | misiones province | giardia intestinalis | species | 0 | 1 |
| argentina | salta province | giardia intestinalis | species | 0 | 1 |
| argentina | tucuman province | giardia intestinalis | species | 0 | 1 |
| australia | | giardia intestinalis | species | 215 | 0 |
| australia | | giardia intestinalis assemblage a | no rank | 4 | 0 |
| australia | | giardia intestinalis assemblage b | no rank | 3 | 0 |
| australia | | giardia intestinalis assemblage e | no rank | 4 | 0 |
| australia | new south wales | giardia intestinalis | species | 3 | 6 |
| australia | northern territory | giardia intestinalis | species | 3 | 2 |
| australia | northern territory | giardia intestinalis assemblage a | no rank | 11 | 0 |
| australia | northern territory | giardia intestinalis assemblage b | no rank | 34 | 0 |
| australia | queensland | giardia intestinalis | species | 15 | 9 |
| australia | south australia | giardia intestinalis | species | 0 | 3 |
| australia | tasmania | giardia intestinalis | species | 0 | 2 |
| australia | victoria | giardia intestinalis | species | 32 | 4 |
| australia | western australia | giardia intestinalis | species | 28 | 18 |
| australia | western australia | giardia intestinalis assemblage b | no rank | 509 | 0 |
| austria | | giardia intestinalis | species | 17 | 0 |
| austria | lower austria | giardia intestinalis | species | 4 | 0 |
| austria | vienna | giardia intestinalis | species | 13 | 0 |
| bahrain | | giardia intestinalis | species | 0 | 2 |
| bangladesh | | giardia intestinalis | species | 130 | 0 |
| bangladesh | | giardia intestinalis assemblage a | no rank | 4 | 0 |
| bangladesh | | giardia intestinalis assemblage b | no rank | 12 | 0 |
| bangladesh | | giardia intestinalis assemblage e | no rank | 46 | 0 |
| bangladesh | dhaka division | giardia intestinalis | species | 0 | 5 |
| belgium | | giardia intestinalis | species | 73 | 0 |
| belgium | flemish region | giardia intestinalis | species | 0 | 1 |
| belize | toledo district | giardia intestinalis | species | 0 | 1 |
| bolivia | santa cruz department | giardia intestinalis | species | 0 | 1 |
| brazil | | giardia intestinalis | species | 827 | 0 |
| brazil | acre | giardia intestinalis | species | 0 | 1 |
| brazil | amazonas | giardia intestinalis | species | 62 | 11 |
| brazil | bahia | giardia intestinalis | species | 0 | 4 |
| brazil | bahia | giardia intestinalis assemblage a | no rank | 11 | 0 |
| brazil | ceara | giardia intestinalis | species | 4 | 1 |
| brazil | federal district | giardia intestinalis | species | 0 | 1 |
| brazil | mato grosso | giardia intestinalis | species | 0 | 1 |
| brazil | mato grosso do sul | giardia intestinalis | species | 0 | 1 |
| brazil | minas gerais | giardia intestinalis | species | 0 | 16 |
| brazil | para | giardia intestinalis | species | 26 | 1 |
| brazil | parana | giardia intestinalis | species | 0 | 3 |
| brazil | piaui | giardia intestinalis | species | 11 | 0 |
| brazil | rio de janeiro | giardia intestinalis | species | 15 | 8 |
| brazil | rio grande do norte | giardia intestinalis | species | 0 | 1 |
| brazil | rio grande do sul | giardia intestinalis | species | 0 | 2 |
| brazil | santa catarina | giardia intestinalis | species | 0 | 2 |
| brazil | sao paulo | giardia intestinalis | species | 0 | 13 |
| brazil | sergipe | giardia intestinalis | species | 0 | 1 |
| bulgaria | | giardia intestinalis | species | 22 | 0 |
| burkina faso | | giardia intestinalis | species | 1 | 0 |
| burkina faso | centre region | giardia intestinalis | species | 0 | 2 |
| burkina faso | centre-ouest region | giardia intestinalis | species | 0 | 1 |
| cambodia | battambang province | giardia intestinalis | species | 0 | 2 |
| cambodia | preah vihear province | giardia intestinalis | species | 0 | 1 |
| cambodia | siem reap province | giardia intestinalis | species | 0 | 2 |
| cameroon | south region | giardia intestinalis | species | 0 | 1 |
| cameroon | south-west region | giardia intestinalis | species | 0 | 1 |
| cameroon | west region | giardia intestinalis | species | 0 | 2 |
| canada | | giardia intestinalis | species | 75 | 0 |
| canada | alberta | giardia intestinalis | species | 8 | 4 |
| canada | british columbia | giardia intestinalis | species | 357 | 9 |
| canada | manitoba | giardia intestinalis | species | 4 | 1 |
| canada | new brunswick | giardia intestinalis | species | 278 | 0 |
| canada | newfoundland and labrador | giardia intestinalis | species | 67 | 0 |
| canada | northwest territories | giardia intestinalis | species | 55 | 0 |
| canada | nova scotia | giardia intestinalis | species | 12 | 1 |
| canada | nunavut | giardia intestinalis | species | 3 | 1 |
| canada | ontario | giardia intestinalis | species | 12 | 8 |
| canada | prince edward island | giardia intestinalis | species | 36053 | 5 |
| canada | quebec | giardia intestinalis | species | 30 | 3 |
| canada | saskatchewan | giardia intestinalis | species | 13 | 3 |
| canada | yukon | giardia intestinalis | species | 4 | 0 |
| cape verde | | giardia intestinalis | species | 8 | 0 |
| central african republic | | giardia intestinalis | species | 6 | 0 |
| central african republic | bangui | giardia intestinalis | species | 0 | 2 |
| central african republic | sangha-mbaere | giardia intestinalis | species | 0 | 1 |
| chad | ouaddai region | giardia intestinalis | species | 0 | 1 |
| chile | araucania region | giardia intestinalis | species | 0 | 1 |
| chile | los lagos region | giardia intestinalis | species | 0 | 2 |
| chile | los rios region | giardia intestinalis | species | 0 | 1 |
| chile | maule region | giardia intestinalis | species | 0 | 1 |
| chile | santiago metropolitan region | giardia intestinalis | species | 0 | 5 |
| chile | valparaiso region | giardia intestinalis | species | 0 | 1 |
| china | | giardia intestinalis | species | 1413 | 0 |
| china | | giardia intestinalis assemblage e | no rank | 1 | 0 |
| china | anhui | giardia intestinalis | species | 119 | 2 |
| china | beijing | giardia intestinalis | species | 39 | 1 |
| china | chongqing | giardia intestinalis | species | 22 | 0 |
| china | gansu | giardia intestinalis | species | 0 | 1 |
| china | guangdong | giardia intestinalis | species | 98 | 1 |
| china | guangxi | giardia intestinalis | species | 0 | 1 |
| china | hebei | giardia intestinalis | species | 0 | 1 |
| china | heilongjiang | giardia intestinalis | species | 6 | 8 |
| china | henan | giardia intestinalis | species | 0 | 8 |
| china | hubei | giardia intestinalis | species | 1 | 1 |
| china | hunan | giardia intestinalis | species | 7 | 0 |
| china | inner mongolia | giardia intestinalis | species | 0 | 1 |
| china | jiangsu | giardia intestinalis | species | 11 | 0 |
| china | jilin | giardia intestinalis | species | 0 | 2 |
| china | liaoning | giardia intestinalis | species | 7 | 2 |
| china | ningxia | giardia intestinalis | species | 34 | 3 |
| china | qinghai | giardia intestinalis | species | 0 | 1 |
| china | shaanxi | giardia intestinalis | species | 103 | 2 |
| china | shandong | giardia intestinalis | species | 6 | 2 |
| china | shanghai shi | giardia intestinalis | species | 0 | 5 |
| china | sichuan | giardia intestinalis | species | 0 | 1 |
| china | xinjiang | giardia intestinalis | species | 5 | 3 |
| china | yunnan | giardia intestinalis | species | 47 | 0 |
| china | zhejiang | giardia intestinalis | species | 1 | 0 |
| colombia | | giardia intestinalis | species | 152 | 0 |
| colombia | antioquia department | giardia intestinalis | species | 0 | 1 |
| colombia | captial district | giardia intestinalis | species | 0 | 2 |
| colombia | cundinamarca department | giardia intestinalis | species | 0 | 2 |
| colombia | quindio department | giardia intestinalis | species | 0 | 1 |
| croatia | | giardia intestinalis | species | 288 | 0 |
| cuba | | giardia intestinalis | species | 46 | 0 |
| cuba | ciego de avila province | giardia intestinalis | species | 0 | 1 |
| cuba | havana province | giardia intestinalis | species | 0 | 5 |
| cuba | matanzas province | giardia intestinalis | species | 0 | 1 |
| cyprus | | giardia intestinalis | species | 0 | 1 |
| czech republic | | giardia intestinalis | species | 30 | 0 |
| czech republic | | giardia lamblia p15 | no rank | 259 | 0 |
| czech republic | prague city | giardia intestinalis | species | 0 | 1 |
| democratic republic of the congo | kinshasa city | giardia intestinalis | species | 0 | 1 |
| denmark | | giardia intestinalis | species | 17 | 0 |
| dominica | | giardia intestinalis | species | 0 | 1 |
| dominican republic | santo domingo province | giardia intestinalis | species | 0 | 1 |
| east timor | | giardia intestinalis | species | 0 | 1 |
| ecuador | | giardia intestinalis | species | 15 | 0 |
| ecuador | guayas province | giardia intestinalis | species | 0 | 1 |
| egypt | | giardia intestinalis | species | 576 | 0 |
| egypt | alexandria governorate | giardia intestinalis | species | 0 | 7 |
| egypt | beheira governorate | giardia intestinalis | species | 0 | 2 |
| egypt | cairo governorate | giardia intestinalis | species | 0 | 10 |
| egypt | dakahlia governorate | giardia intestinalis | species | 0 | 1 |
| egypt | ismailia governorate | giardia intestinalis | species | 0 | 2 |
| egypt | kafr el sheikh governorate | giardia intestinalis | species | 36 | 2 |
| egypt | menoufia governorate | giardia intestinalis | species | 0 | 1 |
| egypt | minya governorate | giardia intestinalis | species | 0 | 2 |
| egypt | north sinai governorate | giardia intestinalis | species | 0 | 1 |
| egypt | sohag governorate | giardia intestinalis | species | 0 | 2 |
| el salvador | san salvador department | giardia intestinalis | species | 0 | 1 |
| ethiopia | | giardia intestinalis | species | 234 | 0 |
| ethiopia | addis ababa | giardia intestinalis | species | 0 | 4 |
| ethiopia | amhara region | giardia intestinalis | species | 0 | 2 |
| france | | giardia intestinalis | species | 4 | 0 |
| france | ile-de-france region | giardia intestinalis | species | 0 | 2 |
| germany | | giardia intestinalis | species | 107 | 0 |
| germany | berlin | giardia intestinalis | species | 0 | 1 |
| germany | saxony | giardia intestinalis | species | 0 | 1 |
| ghana | | giardia intestinalis | species | 11 | 0 |
| greece | | giardia intestinalis | species | 31 | 0 |
| greenland | | giardia intestinalis | species | 3 | 0 |
| guatemala | guatemala department | giardia intestinalis | species | 0 | 3 |
| guinea-bissau | | giardia intestinalis | species | 16 | 0 |
| haiti | | giardia intestinalis | species | 0 | 1 |
| honduras | | giardia intestinalis | species | 5 | 0 |
| hong kong | | giardia intestinalis | species | 0 | 1 |
| hungary | | giardia intestinalis | species | 21 | 0 |
| hungary | budapest | giardia intestinalis | species | 0 | 1 |
| india | | giardia intestinalis | species | 213 | 0 |
| india | | giardia intestinalis assemblage a | no rank | 1 | 0 |
| india | bihar | giardia intestinalis | species | 0 | 1 |
| india | chandigarh | giardia intestinalis | species | 11 | 3 |
| india | jammu and kashmir | giardia intestinalis | species | 0 | 1 |
| india | karnataka | giardia intestinalis | species | 0 | 2 |
| india | madhya pradesh | giardia intestinalis | species | 0 | 1 |
| india | mizoram | giardia intestinalis | species | 0 | 1 |
| india | national capital territory of delhi | giardia intestinalis | species | 0 | 1 |
| india | odisha | giardia intestinalis | species | 0 | 1 |
| india | punjab | giardia intestinalis | species | 0 | 1 |
| india | uttar pradesh | giardia intestinalis | species | 0 | 2 |
| india | west bengal | giardia intestinalis | species | 160 | 2 |
| indonesia | | giardia intestinalis | species | 1 | 0 |
| indonesia | aceh province | giardia intestinalis | species | 0 | 1 |
| indonesia | banten province | giardia intestinalis | species | 1 | 0 |
| indonesia | central sulawesi province | giardia intestinalis | species | 0 | 4 |
| indonesia | east nusa tenggara province | giardia intestinalis | species | 78 | 0 |
| indonesia | gorontalo province | giardia intestinalis | species | 0 | 1 |
| indonesia | jakarta | giardia intestinalis | species | 0 | 4 |
| indonesia | north sulawesi province | giardia intestinalis | species | 0 | 1 |
| indonesia | north sumatra province | giardia intestinalis | species | 0 | 2 |
| indonesia | papua province | giardia intestinalis | species | 0 | 1 |
| indonesia | south sulawesi province | giardia intestinalis | species | 2 | 3 |
| indonesia | sumatera barat province | giardia intestinalis | species | 10 | 0 |
| indonesia | west java province | giardia intestinalis | species | 0 | 1 |
| indonesia | west kalimantan province | giardia intestinalis | species | 0 | 1 |
| iran | | giardia intestinalis | species | 266 | 0 |
| iran | | giardia intestinalis assemblage a | no rank | 23 | 0 |
| iran | | giardia intestinalis assemblage b | no rank | 6 | 0 |
| iran | alborz province | giardia intestinalis | species | 0 | 1 |
| iran | fars province | giardia intestinalis | species | 1 | 0 |
| iran | gilan province | giardia intestinalis | species | 41 | 0 |
| iran | golestan province | giardia intestinalis | species | 2 | 1 |
| iran | hormozgan province | giardia intestinalis | species | 0 | 1 |
| iran | khuzestan province | giardia intestinalis | species | 28 | 1 |
| iran | lorestan province | giardia intestinalis | species | 0 | 1 |
| iran | mazandaran province | giardia intestinalis | species | 0 | 4 |
| iran | qazvin province | giardia intestinalis | species | 0 | 1 |
| iran | qom province | giardia intestinalis | species | 0 | 1 |
| iran | razavi khorasan province | giardia intestinalis | species | 3 | 0 |
| iran | tehran province | giardia intestinalis | species | 0 | 7 |
| iran | west azerbaijan province | giardia intestinalis | species | 1 | 0 |
| iraq | | giardia intestinalis | species | 139 | 0 |
| iraq | baghdad governorate | giardia intestinalis | species | 0 | 2 |
| iraq | basra governorate | giardia intestinalis | species | 0 | 2 |
| iraq | dahuk governorate | giardia intestinalis | species | 0 | 2 |
| israel | | giardia intestinalis | species | 9 | 0 |
| israel | southern district | giardia intestinalis | species | 0 | 2 |
| italy | | giardia intestinalis | species | 76 | 0 |
| italy | | giardia intestinalis assemblage a | no rank | 5 | 0 |
| italy | abruzzo region | giardia intestinalis | species | 0 | 2 |
| italy | apulia region | giardia intestinalis | species | 0 | 1 |
| italy | campania region | giardia intestinalis | species | 94 | 1 |
| italy | emilia-romagna region | giardia intestinalis | species | 0 | 2 |
| italy | lazio region | giardia intestinalis | species | 11 | 0 |
| italy | sardinia autonomous region | giardia intestinalis | species | 0 | 1 |
| italy | sicily autonomous region | giardia intestinalis | species | 5 | 1 |
| italy | umbria region | giardia intestinalis | species | 0 | 1 |
| ivory coast | | giardia intestinalis | species | 1 | 0 |
| jamaica | manchester parish | giardia intestinalis | species | 0 | 1 |
| japan | | giardia intestinalis | species | 333 | 0 |
| japan | aichi prefecture | giardia intestinalis | species | 8 | 0 |
| japan | aomori prefecture | giardia intestinalis | species | 1 | 1 |
| japan | hokkaido prefecture | giardia intestinalis | species | 2 | 0 |
| japan | iwate prefecture | giardia intestinalis | species | 1 | 0 |
| japan | kochi prefecture | giardia intestinalis | species | 0 | 1 |
| japan | okinawa prefecture | giardia intestinalis | species | 0 | 1 |
| japan | osaka prefecture | giardia intestinalis | species | 28 | 0 |
| japan | saitama prefecture | giardia intestinalis | species | 0 | 1 |
| japan | tokyo prefecture | giardia intestinalis | species | 56 | 1 |
| japan | toyama prefecture | giardia intestinalis | species | 1 | 0 |
| japan | yamanashi prefecture | giardia intestinalis | species | 15 | 0 |
| jordan | | giardia intestinalis | species | 10 | 0 |
| jordan | irbid governorate | giardia intestinalis | species | 0 | 2 |
| kenya | | giardia intestinalis | species | 4 | 0 |
| kenya | coast province | giardia intestinalis | species | 66 | 0 |
| kenya | coast province | giardia intestinalis assemblage a | no rank | 36 | 0 |
| kenya | coast province | giardia intestinalis assemblage b | no rank | 223 | 0 |
| kenya | nairobi province | giardia intestinalis | species | 36 | 1 |
| kosovo | mitrovica municipality | giardia intestinalis | species | 0 | 1 |
| kuwait | | giardia intestinalis | species | 0 | 2 |
| laos | vientiane prefecture | giardia intestinalis | species | 0 | 1 |
| lebanon | | giardia intestinalis | species | 66 | 0 |
| lebanon | beirut governorate | giardia intestinalis | species | 0 | 2 |
| lesotho | mohale's hoek district | giardia intestinalis | species | 0 | 1 |
| libya | tripoli district | giardia intestinalis | species | 0 | 3 |
| luxembourg | | giardia intestinalis | species | 3 | 0 |
| macedonia | | giardia intestinalis | species | 24 | 0 |
| malaysia | | giardia intestinalis | species | 111 | 0 |
| malaysia | | giardia intestinalis assemblage a | no rank | 4 | 0 |
| malaysia | kelantan | giardia intestinalis | species | 0 | 2 |
| malaysia | negeri sembilan | giardia intestinalis | species | 0 | 1 |
| malaysia | pahang | giardia intestinalis | species | 0 | 8 |
| malaysia | perak | giardia intestinalis | species | 0 | 2 |
| malaysia | selangor | giardia intestinalis | species | 0 | 4 |
| maldives | | giardia intestinalis | species | 0 | 1 |
| mali | bamako region | giardia intestinalis | species | 0 | 1 |
| mexico | | giardia intestinalis | species | 12 | 0 |
| mexico | chiapas | giardia intestinalis | species | 0 | 1 |
| mexico | chihuahua | giardia intestinalis | species | 21 | 0 |
| mexico | durango | giardia intestinalis | species | 0 | 1 |
| mexico | federal district | giardia intestinalis | species | 0 | 14 |
| mexico | oaxaca | giardia intestinalis | species | 0 | 1 |
| mexico | puebla | giardia intestinalis | species | 0 | 1 |
| mexico | queretaro arteaga | giardia intestinalis | species | 0 | 1 |
| mexico | san luis potosi | giardia intestinalis | species | 1 | 0 |
| mexico | sinaloa | giardia intestinalis | species | 0 | 4 |
| mexico | sonora | giardia intestinalis | species | 0 | 1 |
| mexico | tamaulipas | giardia intestinalis | species | 0 | 1 |
| mexico | yucatan | giardia intestinalis | species | 0 | 3 |
| mexico | zacatecas | giardia intestinalis | species | 0 | 1 |
| micronesia | | giardia intestinalis | species | 0 | 1 |
| mongolia | dornod province | giardia intestinalis | species | 0 | 1 |
| mongolia | selenge province | giardia intestinalis | species | 0 | 1 |
| morocco | | giardia intestinalis | species | 13 | 0 |
| morocco | chaouia-ouardigha | giardia intestinalis | species | 0 | 1 |
| morocco | gharb-chrarda-beni hssen | giardia intestinalis | species | 0 | 1 |
| morocco | tadla-azilal | giardia intestinalis | species | 0 | 2 |
| mozambique | | giardia intestinalis | species | 460 | 0 |
| mozambique | maputo city | giardia intestinalis | species | 0 | 1 |
| mozambique | maputo province | giardia intestinalis | species | 0 | 1 |
| myanmar | yangon division | giardia intestinalis | species | 0 | 1 |
| nepal | | giardia intestinalis | species | 9 | 0 |
| nepal | central development region | giardia intestinalis | species | 11 | 3 |
| netherlands | | giardia intestinalis | species | 104 | 0 |
| new caledonia | | giardia intestinalis | species | 0 | 1 |
| new zealand | | giardia intestinalis | species | 140 | 0 |
| new zealand | auckland | giardia intestinalis | species | 0 | 1 |
| new zealand | waikato | giardia intestinalis | species | 0 | 2 |
| nicaragua | | giardia intestinalis | species | 20 | 0 |
| nicaragua | leon department | giardia intestinalis | species | 0 | 1 |
| nigeria | | giardia intestinalis | species | 29 | 0 |
| nigeria | anambra | giardia intestinalis | species | 0 | 1 |
| nigeria | delta | giardia intestinalis | species | 0 | 1 |
| nigeria | kaduna | giardia intestinalis | species | 0 | 1 |
| nigeria | lagos | giardia intestinalis | species | 0 | 3 |
| nigeria | ogun | giardia intestinalis | species | 0 | 3 |
| nigeria | plateau | giardia intestinalis | species | 0 | 1 |
| norway | | giardia intestinalis | species | 713 | 0 |
| norway | more og romsdal county | giardia intestinalis | species | 0 | 2 |
| pakistan | | giardia intestinalis | species | 14 | 0 |
| pakistan | punjab province | giardia intestinalis | species | 0 | 2 |
| palestinian territory | west bank | giardia intestinalis | species | 16 | 0 |
| panama | chiriqui province | giardia intestinalis | species | 0 | 1 |
| panama | darien province | giardia intestinalis | species | 0 | 1 |
| panama | kuna yala province | giardia intestinalis | species | 0 | 1 |
| panama | panama province | giardia intestinalis | species | 0 | 1 |
| panama | veraguas province | giardia intestinalis | species | 0 | 1 |
| papua new guinea | eastern highlands province | giardia intestinalis | species | 0 | 1 |
| peru | | giardia intestinalis | species | 55 | 0 |
| peru | ayacucho region | giardia intestinalis | species | 0 | 1 |
| peru | cajamarca region | giardia intestinalis | species | 0 | 1 |
| peru | cusco region | giardia intestinalis | species | 13 | 0 |
| peru | huancavelica region | giardia intestinalis | species | 21 | 0 |
| peru | lambayeque region | giardia intestinalis | species | 0 | 1 |
| peru | lima region | giardia intestinalis | species | 0 | 6 |
| peru | puno region | giardia intestinalis | species | 12 | 2 |
| philippines | | giardia intestinalis | species | 5 | 0 |
| philippines | national capital region | giardia intestinalis | species | 0 | 2 |
| poland | | giardia intestinalis | species | 79 | 0 |
| poland | lesser poland province | giardia intestinalis | species | 0 | 1 |
| poland | lower silesia province | giardia intestinalis | species | 0 | 2 |
| poland | lublin province | giardia intestinalis | species | 0 | 2 |
| poland | mazovia province | giardia intestinalis | species | 0 | 2 |
| poland | podkarpackie province | giardia intestinalis | species | 0 | 1 |
| poland | silesia province | giardia intestinalis | species | 0 | 2 |
| poland | warmian-masurian province | giardia intestinalis | species | 0 | 1 |
| poland | west pomerania province | giardia intestinalis | species | 0 | 1 |
| portugal | evora district | giardia intestinalis | species | 0 | 1 |
| portugal | lisboa district | giardia intestinalis | species | 0 | 1 |
| portugal | madeira autonomous region | giardia intestinalis | species | 0 | 1 |
| puerto rico | | giardia intestinalis | species | 7 | 4 |
| qatar | | giardia intestinalis | species | 72 | 6 |
| qatar | ad dawhah municipality | giardia intestinalis | species | 0 | 1 |
| republic of the congo | | giardia intestinalis | species | 1 | 0 |
| romania | | giardia intestinalis | species | 73 | 0 |
| romania | arad county | giardia intestinalis | species | 2 | 1 |
| romania | bihor county | giardia intestinalis | species | 1 | 1 |
| romania | bucharest county | giardia intestinalis | species | 0 | 1 |
| romania | caras-severin county | giardia intestinalis | species | 1 | 0 |
| romania | cluj county | giardia intestinalis | species | 1 | 1 |
| romania | dolj county | giardia intestinalis | species | 0 | 1 |
| romania | iasi county | giardia intestinalis | species | 0 | 1 |
| romania | timis county | giardia intestinalis | species | 3 | 0 |
| russia | moscow city | giardia intestinalis | species | 0 | 1 |
| russia | perm krai | giardia intestinalis | species | 0 | 1 |
| russia | volgograd oblast | giardia intestinalis | species | 0 | 1 |
| rwanda | | giardia intestinalis | species | 14 | 0 |
| rwanda | kigali province | giardia intestinalis | species | 0 | 1 |
| rwanda | western province | giardia intestinalis | species | 0 | 1 |
| saint lucia | | giardia intestinalis | species | 0 | 1 |
| sao tome and principe | | giardia intestinalis | species | 0 | 2 |
| saudi arabia | | giardia intestinalis | species | 1 | 0 |
| saudi arabia | al bahah region | giardia intestinalis | species | 0 | 3 |
| saudi arabia | asir region | giardia intestinalis | species | 0 | 4 |
| saudi arabia | eastern province region | giardia intestinalis | species | 0 | 2 |
| saudi arabia | madinah region | giardia intestinalis | species | 0 | 1 |
| saudi arabia | makkah region | giardia intestinalis | species | 0 | 4 |
| saudi arabia | riyadh region | giardia intestinalis | species | 0 | 10 |
| senegal | dakar region | giardia intestinalis | species | 0 | 2 |
| serbia | | giardia intestinalis | species | 17 | 0 |
| sierra leone | | giardia intestinalis | species | 1 | 0 |
| singapore | | giardia intestinalis | species | 0 | 1 |
| slovakia | | giardia intestinalis | species | 76 | 0 |
| slovakia | zilina region | giardia intestinalis | species | 0 | 1 |
| slovenia | | giardia intestinalis | species | 12 | 0 |
| somalia | banaadir region | giardia intestinalis | species | 0 | 1 |
| south africa | kwazulu-natal province | giardia intestinalis | species | 0 | 1 |
| south africa | limpopo province | giardia intestinalis | species | 0 | 1 |
| south korea | | giardia intestinalis | species | 173 | 0 |
| south korea | seoul city | giardia intestinalis | species | 239 | 0 |
| spain | | giardia intestinalis | species | 595 | 0 |
| spain | andalusia | giardia intestinalis | species | 0 | 1 |
| spain | aragon | giardia intestinalis | species | 0 | 2 |
| spain | asturias | giardia intestinalis | species | 0 | 1 |
| spain | balearic islands | giardia intestinalis | species | 0 | 1 |
| spain | basque country | giardia intestinalis | species | 0 | 1 |
| spain | canary islands | giardia intestinalis | species | 26 | 2 |
| spain | castile and leon | giardia intestinalis | species | 0 | 2 |
| spain | catalonia | giardia intestinalis | species | 4 | 2 |
| spain | extremadura | giardia intestinalis | species | 0 | 1 |
| spain | galicia | giardia intestinalis | species | 0 | 9 |
| spain | madrid | giardia intestinalis | species | 0 | 8 |
| spain | murcia | giardia intestinalis | species | 0 | 1 |
| spain | valencia | giardia intestinalis | species | 6 | 2 |
| sri lanka | | giardia intestinalis | species | 18 | 0 |
| sudan | khartoum | giardia intestinalis | species | 0 | 4 |
| sudan | southern kordofan | giardia intestinalis | species | 0 | 1 |
| sweden | | giardia intestinalis | species | 148 | 0 |
| sweden | stockholm | giardia intestinalis | species | 0 | 1 |
| switzerland | basel-landschaft region | giardia intestinalis | species | 0 | 1 |
| switzerland | jura region | giardia intestinalis | species | 0 | 1 |
| syria | | giardia intestinalis | species | 1 | 0 |
| syria | damascus governorate | giardia intestinalis | species | 0 | 2 |
| taiwan | | giardia intestinalis | species | 4 | 11 |
| tanzania | | giardia intestinalis assemblage a | no rank | 10 | 0 |
| tanzania | | giardia intestinalis assemblage b | no rank | 21 | 0 |
| tanzania | | giardia intestinalis assemblage e | no rank | 6 | 0 |
| tanzania | dar es salaam region | giardia intestinalis | species | 0 | 1 |
| tanzania | mwanza region | giardia intestinalis | species | 0 | 1 |
| tanzania | zanzibar urban/west region | giardia intestinalis | species | 0 | 1 |
| thailand | | giardia intestinalis | species | 243 | 0 |
| thailand | | giardia intestinalis assemblage a | no rank | 1 | 0 |
| thailand | | giardia intestinalis assemblage b | no rank | 1 | 0 |
| thailand | bangkok | giardia intestinalis | species | 0 | 8 |
| thailand | chachoengsao province | giardia intestinalis | species | 3 | 1 |
| thailand | chiang mai province | giardia intestinalis | species | 0 | 4 |
| thailand | khon kaen province | giardia intestinalis | species | 0 | 1 |
| thailand | nakhon nayok province | giardia intestinalis | species | 0 | 1 |
| thailand | nakhon pathom province | giardia intestinalis | species | 0 | 1 |
| thailand | nakhon si thammarat province | giardia intestinalis | species | 0 | 1 |
| thailand | nan province | giardia intestinalis | species | 0 | 2 |
| thailand | pathum thani province | giardia intestinalis | species | 0 | 3 |
| thailand | phitsanulok province | giardia intestinalis | species | 0 | 2 |
| thailand | phra nakhon si ayutthaya province | giardia intestinalis | species | 0 | 2 |
| thailand | phuket province | giardia intestinalis | species | 0 | 1 |
| thailand | samut sakhon province | giardia intestinalis | species | 0 | 3 |
| thailand | surin province | giardia intestinalis | species | 0 | 1 |
| thailand | ubon ratchathani province | giardia intestinalis | species | 0 | 1 |
| trinidad and tobago | | giardia intestinalis | species | 2 | 0 |
| tunisia | | giardia intestinalis | species | 6 | 0 |
| tunisia | sfax governorate | giardia intestinalis | species | 0 | 1 |
| tunisia | sousse governorate | giardia intestinalis | species | 0 | 1 |
| tunisia | tunis governorate | giardia intestinalis | species | 0 | 1 |
| turkey | | giardia intestinalis | species | 68 | 0 |
| turkey | adiyaman province | giardia intestinalis | species | 0 | 1 |
| turkey | ankara province | giardia intestinalis | species | 0 | 5 |
| turkey | aydin province | giardia intestinalis | species | 0 | 4 |
| turkey | batman province | giardia intestinalis | species | 0 | 1 |
| turkey | bursa province | giardia intestinalis | species | 0 | 1 |
| turkey | denizli province | giardia intestinalis | species | 0 | 1 |
| turkey | diyarbakir province | giardia intestinalis | species | 0 | 1 |
| turkey | duezce province | giardia intestinalis | species | 0 | 1 |
| turkey | edirne province | giardia intestinalis | species | 0 | 1 |
| turkey | eskisehir province | giardia intestinalis | species | 0 | 1 |
| turkey | gaziantep province | giardia intestinalis | species | 0 | 1 |
| turkey | giresun province | giardia intestinalis | species | 10 | 1 |
| turkey | hatay province | giardia intestinalis | species | 0 | 2 |
| turkey | icel province | giardia intestinalis | species | 0 | 1 |
| turkey | istanbul province | giardia intestinalis | species | 0 | 3 |
| turkey | izmir province | giardia intestinalis | species | 0 | 2 |
| turkey | kars province | giardia intestinalis | species | 0 | 1 |
| turkey | kayseri province | giardia intestinalis | species | 15 | 3 |
| turkey | kilis province | giardia intestinalis | species | 0 | 1 |
| turkey | kuetahya province | giardia intestinalis | species | 0 | 2 |
| turkey | malatya province | giardia intestinalis | species | 0 | 3 |
| turkey | manisa province | giardia intestinalis | species | 0 | 2 |
| turkey | mardin province | giardia intestinalis | species | 0 | 1 |
| turkey | rize province | giardia intestinalis | species | 0 | 1 |
| turkey | samsun province | giardia intestinalis | species | 15 | 1 |
| turkey | sanliurfa province | giardia intestinalis | species | 0 | 4 |
| turkey | siirt province | giardia intestinalis | species | 0 | 1 |
| turkey | sirnak province | giardia intestinalis | species | 0 | 1 |
| turkey | sivas province | giardia intestinalis | species | 0 | 5 |
| turkey | tokat province | giardia intestinalis | species | 0 | 1 |
| turkey | trabzon province | giardia intestinalis | species | 8 | 1 |
| turkey | van province | giardia intestinalis | species | 0 | 6 |
| turkey | yozgat province | giardia intestinalis | species | 0 | 1 |
| uganda | | giardia intestinalis | species | 19 | 0 |
| uganda | central region | giardia intestinalis | species | 5 | 0 |
| uganda | western region | giardia intestinalis | species | 133 | 1 |
| united arab emirates | sharjah | giardia intestinalis | species | 0 | 1 |
| united kingdom | | giardia intestinalis | species | 36 | 0 |
| united kingdom | england | giardia intestinalis | species | 39 | 10 |
| united kingdom | scotland | giardia intestinalis | species | 24 | 5 |
| united states | | giardia intestinalis | species | 1040 | 0 |
| united states | alaska | giardia intestinalis | species | 1 | 0 |
| united states | arizona | giardia intestinalis | species | 15 | 6 |
| united states | arkansas | giardia intestinalis | species | 0 | 1 |
| united states | california | giardia intestinalis | species | 36 | 20 |
| united states | colorado | giardia intestinalis | species | 0 | 9 |
| united states | florida | giardia intestinalis | species | 0 | 4 |
| united states | georgia | giardia intestinalis | species | 0 | 3 |
| united states | hawaii | giardia intestinalis | species | 0 | 1 |
| united states | idaho | giardia intestinalis | species | 0 | 1 |
| united states | illinois | giardia intestinalis | species | 0 | 1 |
| united states | indiana | giardia intestinalis | species | 0 | 1 |
| united states | kentucky | giardia intestinalis | species | 0 | 1 |
| united states | maine | giardia intestinalis | species | 6 | 0 |
| united states | maryland | giardia intestinalis | species | 3 | 8 |
| united states | massachusetts | giardia intestinalis | species | 105 | 5 |
| united states | michigan | giardia intestinalis | species | 0 | 2 |
| united states | minnesota | giardia intestinalis | species | 0 | 1 |
| united states | mississippi | giardia intestinalis | species | 0 | 1 |
| united states | montana | giardia intestinalis | species | 0 | 2 |
| united states | nevada | giardia intestinalis | species | 0 | 2 |
| united states | new hampshire | giardia intestinalis | species | 0 | 1 |
| united states | new jersey | giardia intestinalis | species | 0 | 2 |
| united states | new mexico | giardia intestinalis | species | 0 | 2 |
| united states | new york | giardia intestinalis | species | 0 | 12 |
| united states | north carolina | giardia intestinalis | species | 0 | 4 |
| united states | north dakota | giardia intestinalis | species | 0 | 1 |
| united states | ohio | giardia intestinalis | species | 0 | 2 |
| united states | oregon | giardia intestinalis | species | 2 | 3 |
| united states | pennsylvania | giardia intestinalis | species | 0 | 3 |
| united states | rhode island | giardia intestinalis | species | 0 | 1 |
| united states | south carolina | giardia intestinalis | species | 0 | 1 |
| united states | texas | giardia intestinalis | species | 7 | 2 |
| united states | utah | giardia intestinalis | species | 0 | 2 |
| united states | vermont | giardia intestinalis | species | 0 | 6 |
| united states | virginia | giardia intestinalis | species | 0 | 3 |
| united states | washington | giardia intestinalis | species | 8 | 5 |
| united states | west virginia | giardia intestinalis | species | 2 | 0 |
| united states | wisconsin | giardia intestinalis | species | 0 | 4 |
| united states | wyoming | giardia intestinalis | species | 0 | 1 |
| uruguay | montevideo department | giardia intestinalis | species | 0 | 1 |
| uzbekistan | toshkent city | giardia intestinalis | species | 0 | 1 |
| uzbekistan | toshkent region | giardia intestinalis | species | 0 | 1 |
| venezuela | | giardia intestinalis | species | 7 | 0 |
| venezuela | bolivar | giardia intestinalis | species | 0 | 3 |
| venezuela | capital district | giardia intestinalis | species | 0 | 4 |
| venezuela | miranda | giardia intestinalis | species | 0 | 3 |
| venezuela | trujillo | giardia intestinalis | species | 0 | 1 |
| venezuela | zulia | giardia intestinalis | species | 0 | 5 |
| vietnam | | giardia intestinalis | species | 3 | 0 |
| vietnam | | giardia intestinalis assemblage a | no rank | 1 | 0 |
| vietnam | | giardia intestinalis assemblage e | no rank | 11 | 0 |
| vietnam | nam dinh province | giardia intestinalis | species | 26 | 0 |
| western sahara | | giardia intestinalis | species | 9 | 0 |
| yemen | | giardia intestinalis | species | 30 | 0 |
| yemen | aden governorate | giardia intestinalis | species | 0 | 1 |
| zambia | lusaka province | giardia intestinalis | species | 29 | 1 |
| zambia | southern province | giardia intestinalis | species | 0 | 1 |
| zimbabwe | harare province | giardia intestinalis | species | 0 | 1 |