| small rodents fleas from the bubonic plague focus located in the serra dos orgãos mountain range, state of rio de janeiro, brazil. | eleven species of fleas were collected from 601 small rodents, from november 1995 to october 1997, in areas of natural focus of bubonic plague, including the municipalities of nova friburgo, sumidouro and teresópolis, state of rio de janeiro, brazil. among 924 fleas collected, polygenis (polygenis) rimatus (rhopalopsyllidae) was the predominant species regarding the frequency, representing 41.3% (n:382), followed by p. (neopolygenis) pradoi, representing 20% (n:185) and craneopsylla minerva mine ... | 2001 | 11500756 |
| a fatal hantavirus pulmonary syndrome misdiagnosed as dengue: an investigation into the first reported case in rio de janeiro state, brazil. | we report the results of an investigation into a fatal case of hantavirus pulmonary syndrome (hps) in rio de janeiro state, brazil, where the disease had not been reported previous to 2015. following the notification of an hps case, serum samples were collected from the household members and work contacts of the hps patient and tested for antibody to hantaviruses. seroprevalence of 22% (10/45) was indicated for hantavirus out of 45 human samples tested. blood and tissue samples were collected fr ... | 2017 | 28719302 |
| small mammal populations of an agroecosystem in the atlantic forest domain, southeastern brazil. | this study reports 2 years of the population dynamics and reproduction of a small mammal community using the removal method. the study was conducted in a rural area of the atlantic forest, in sumidouro, rio de janeiro state, brazil. the population sizes, age structure and reproduction were studied for the four most common species in the study area. the overall diversity was 1.67 and ranged between 0.8 to 1.67. the species richness was 13 considering the whole study. the most abundant species wer ... | 2007 | 17505767 |
| prevalence of two species of litomosoides (nematoda: filarioidea) parasites of akodon cursor (rodentia: muridae) from southeastern brazil. | two species of filariids, litomosoides silvai and litomosoides chagasfilhoi, were collected from the thoracic and abdominal cavities, respectively, of akodon cursor, from catimbau grande, rio bonito, rio de janeiro, brazil. fifty-eight rodents were necropsied and 15 (25.9%) were parasitized. four of the 15 infected rodents (26.7%) presented concurrent infections, but each species had separate and specific sites of infection. this is the first report of a rodent species parasitized with naturally ... | 1997 | 9440357 |
| new morphological data of litomosoides chagasfilhoi (nematoda: filarioidea) parasitizing nectomys squamipes in rio de janeiro, brazil. | litomosoides chagasfilhoi, originally described by moraes neto, lanfredi & de souza (1997) parasitizing the abdominal cavity of the wild rodent, akodon cursor (winge, 1887), was found in the abdominal cavity of nectomys squamipes (brants, 1827), from the municipality of rio bonito, rio de janeiro state, brazil. this study led to addition of new morphological data and a new geographical distribution for this filarioid in brazil. several characters were detailed and emended to previous records of ... | 2016 | 27925058 |
| new species and records of mites of the superfamily sarcoptoidea (acariformes: psoroptidia) from mammals in brazil. | sixteen species of the superfamily sarcoptoidea (acariformes: psoroptidia) belonging to 10 genera of the families atopomelidae, listrophoridae, chirodiscidae, and listropsoralgidae are recorded in brazil. among them, three species, prolistrophorus hylaeamys sp. nov. from hylaeamys laticeps (lund, 1840) (cricetidae: sigmodontinae) from minas gerais, lynxacarus serrafreirei sp. nov. from galictis cuja (molina, 1782) (carnivora: mustelidae) from rio de janeiro (listrophoridae), and didelphoecius mi ... | 2016 | 26751869 |
| variation in the helminth community structure of three sympatric sigmodontine rodents from the coastal atlantic forest of rio de janeiro, brazil. | one hundred and eighty specimens of sigmodontine rodents living in sympatric conditions were collected in the atlantic forest in the state of rio de janeiro, brazil (25 akodon cursor, 98 akodon montensis and 57 oligoryzomys nigripes) to examine whether the helminth structure and component communities can be characterized among these three closely related rodents. the parasite species richness was 9 in a. cursor, 12 in a. montensis and 12 in o. nigripes. five species were common to the three rode ... | 2011 | 20701831 |