| [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 |