| an outbreak of oropouche virus diease in the vicinity of santarem, para, barzil. | an epidemic of human febrile illness caused by oropouche virus was studied in the village of mojui dos campos, pará state, in february 1975. the major clinical symptoms, fever, chills, headache, myalgia, arthralgia and dizziness persisted for 2 to 7 days. leukopenia was commonly observed. some patients were severely ill but no deaths were attributed to the disease. recurrence of symptoms was reported in several people. 55 cases of recent infection were diagnosed in mojuí dos campos between febru ... | 1976 | 941251 |
| [1st register of an epidemic caused by oropouche virus in the states of maranhão and goiás, brazil]. | the authors describe the occurrence of outbreaks caused by oropouche virus (oro) in the states of maranhão and goiás, brazil in 1988. 36 strains of the virus were obtained from the intracerebral inoculation of the blood of 120 patients into 2-3 day-old infant mice. the illness was characterized by headache, fever, pain in the muscles, joints and back, photophobia, retrobulbar pain, nausea and dizziness. 128 of 197 people examined in porto franco, ma, had hemagglutination-inhibiting antibodies to ... | 1989 | 2516642 |
| oropouche virus. ii. epidemiological observations during an epidemic in santarém, pará, brazil in 1975. | an epidemic of oropouche fever occurred in santarém, pará, brazil in 1975. in the first survey for oropouche antibodies involving a random sample of an entire city, infection rates varied from 0-44%, depending on the specific area within the city. women had higher infection rates than men, but this difference was statistically significant only for persons older than 10 years of age. an analysis of school data showed that pupils in the evening classes had a greater increase in absenteeism during ... | 1981 | 7212162 |
| oropouche virus. iii. entomological observations from three epidemics in pará, brazil, 1975. | urban epidemics of oropouche (oro) fever in three municipalities in pará, brazil were studied in 1975. culicoides paraensis (goeldi) were collected during each of the epidemics and there was a positive correlation, by study areas within the city of santarém, between human seropositivity to oro virus and population densities of c. paraensis and culex quinquefasciatus say. the best numerical correlation was with populations of c. paraensis. the relative absence of other species in the areas of hig ... | 1981 | 7212163 |
| [outbreak of oropouche virus fever in serra pelada, municipality of curionópolis, pará, 1994]. | in the final of november 1994, an outbreak of a febrile disease was observed in the serra pelada gold mine (5 degrees 35's: 49 degrees 30'w) in the southeast region of pará state. twenty samples were collected and sent to the laboratory of arbovirus of instituto evandro chagas. the tests showed that the disease was caused by oropouche virus (bunyaviridae, bunyavirus, simbu serological group). between 8-22 december 296 serum samples were taken (54 from febrile patients, 16 paired samples and 242 ... | 1996 | 9011877 |
| reemergence of oropouche fever, northern brazil. | oropouche fever has reemerged in parauapebas and porto de moz municipalities, pará state, brazil. serologic analysis (immunoglobulin m-elisa) and virus isolation confirmed oropouche virus (orov) in both municipalities. nucleotide sequencing of 2 orov isolates from each location indicated genotypes i (parauapebas) and ii (porto de moz) in brazil. | 2007 | 17553235 |
| oropouche fever epidemic in northern brazil: epidemiology and molecular characterization of isolates. | oropouche fever virus is an important arbovirus associated with febrile disease that re-emerged in 2006 in several municipalities of pará state, bragantina region, amazon, brazil, 26 years after the last epidemic. | 2009 | 19117799 |