| austria | | usutu virus | species | 25 | 3 |
| austria | burgenland | usutu virus | species | 0 | 2 |
| austria | carinthia | usutu virus | species | 3 | 0 |
| austria | lower austria | usutu virus | species | 93 | 2 |
| austria | styria | usutu virus | species | 15 | 2 |
| austria | upper austria | usutu virus | species | 2 | 0 |
| austria | vienna | usutu virus | species | 9 | 7 |
| belgium | | usutu virus | species | 43 | 0 |
| central african republic | | usutu virus | species | 2 | 0 |
| china | yunnan | usutu virus | species | 0 | 1 |
| croatia | sisak-moslavina county | usutu virus | species | 0 | 1 |
| croatia | vukovar-srijem county | usutu virus | species | 0 | 1 |
| croatia | zagreb city | usutu virus | species | 0 | 2 |
| croatia | zagreb county | usutu virus | species | 2 | 3 |
| czech republic | | usutu virus | species | 3 | 0 |
| czech republic | moravian-silesian region | usutu virus | species | 21 | 0 |
| czech republic | prague city | usutu virus | species | 10 | 0 |
| finland | north karelia region | usutu virus | species | 0 | 1 |
| france | | usutu virus | species | 13 | 0 |
| germany | | usutu virus | species | 144 | 0 |
| germany | baden-wuerttemberg | usutu virus | species | 1 | 0 |
| germany | bavaria | usutu virus | species | 67 | 0 |
| germany | berlin | usutu virus | species | 2 | 1 |
| germany | hesse | usutu virus | species | 1 | 0 |
| germany | lower saxony | usutu virus | species | 2 | 0 |
| germany | mecklenburg-vorpommern | usutu virus | species | 6 | 0 |
| germany | north rhine-westphalia | usutu virus | species | 1 | 0 |
| germany | saxony | usutu virus | species | 33 | 0 |
| germany | saxony-anhalt | usutu virus | species | 3 | 0 |
| germany | schleswig-holstein | usutu virus | species | 1 | 0 |
| greece | central macedonia region | usutu virus | species | 0 | 2 |
| hungary | | usutu virus | species | 2 | 1 |
| hungary | bacs-kiskun county | usutu virus | species | 9 | 0 |
| hungary | budapest | usutu virus | species | 2 | 2 |
| hungary | pest county | usutu virus | species | 3 | 0 |
| israel | | usutu virus | species | 9 | 0 |
| italy | | usutu virus | species | 216 | 4 |
| italy | emilia-romagna region | usutu virus | species | 15 | 9 |
| italy | friuli-venezia giulia autonomous region | usutu virus | species | 1 | 1 |
| italy | liguria region | usutu virus | species | 214 | 1 |
| italy | lombardy region | usutu virus | species | 76 | 3 |
| italy | marche region | usutu virus | species | 27 | 0 |
| italy | molise region | usutu virus | species | 68 | 0 |
| italy | piemonte region | usutu virus | species | 11 | 4 |
| italy | sardinia autonomous region | usutu virus | species | 17 | 0 |
| italy | south tyrol autonomous region | usutu virus | species | 0 | 2 |
| italy | tuscany region | usutu virus | species | 2 | 4 |
| italy | umbria region | usutu virus | species | 9 | 0 |
| italy | veneto region | usutu virus | species | 10 | 3 |
| luxembourg | | usutu virus | species | 1 | 0 |
| mexico | yucatan | usutu virus | species | 0 | 1 |
| micronesia | | usutu virus | species | 0 | 1 |
| netherlands | | usutu virus | species | 5 | 0 |
| netherlands | friesland province | usutu virus | species | 11 | 0 |
| netherlands | gelderland province | usutu virus | species | 1 | 0 |
| netherlands | groningen province | usutu virus | species | 2 | 0 |
| netherlands | north holland province | usutu virus | species | 1 | 0 |
| netherlands | overijssel province | usutu virus | species | 3 | 0 |
| netherlands | south holland province | usutu virus | species | 1 | 0 |
| netherlands | utrecht province | usutu virus | species | 3 | 0 |
| senegal | | usutu virus | species | 9 | 1 |
| serbia | | usutu virus | species | 1 | 0 |
| serbia | autonomous province of vojvodina | usutu virus | species | 0 | 1 |
| slovakia | | usutu virus | species | 15 | 0 |
| south africa | | usutu virus | species | 4 | 0 |
| spain | | usutu virus | species | 5 | 1 |
| spain | andalusia | usutu virus | species | 0 | 2 |
| spain | catalonia | usutu virus | species | 2 | 1 |
| spain | madrid | usutu virus | species | 0 | 1 |
| sweden | | usutu virus | species | 1 | 0 |
| switzerland | | usutu virus | species | 47 | 1 |
| switzerland | ticino region | usutu virus | species | 2 | 0 |
| switzerland | zurich region | usutu virus | species | 0 | 2 |
| uganda | | usutu virus | species | 1 | 0 |
| united kingdom | | usutu virus | species | 1 | 0 |
| united kingdom | england | usutu virus | species | 0 | 2 |
| united states | new york | usutu virus | species | 0 | 1 |