| human disease caused by an arbovirus closely related to ilheus virus: report of five cases. | we report five cases of human disease caused by arbovirus in 5 patients from the state of são paulo, brazil, residing in the municipalities of osasco, atibaia, guarujá, and the capital são paulo, respectively. one of the patients resides in são luis, capital of the state of maranhão. the sites of infection probably were the states of paraná and goiás, both in cave regions, the state of amazonas, and rondônia in two cases. laboratory tests for malaria were negative and 1 patient showed a positive ... | 1997 | 9612726 |