| circulation of antibodies against yellow fever virus in a simian population in the area of porto primavera hydroelectric plant, são paulo, brazil. | yellow fever (yf) is an acute viral infectious disease transmitted by mosquitoes which occurs in two distinct epidemiological cycles: sylvatic and urban. in the sylvatic cycle, the virus is maintained by monkey's infection and transovarian transmission in vectors. surveillance of non-human primates is required for the detection of viral circulation during epizootics, and for the identification of unaffected or transition areas. an elisa (enzyme-linked immunosorbent assay) was standardized for es ... | 2010 | 20305949 |