| arthropod-borne viral infections associated with a fever outbreak in the northern province of sudan. | an outbreak of acute febrile illness occurred during august and september 1989 in the northern province of sudan coinciding with a high population density of phlebotomine sandflies. an investigation was conducted to determine whether arboviruses were associated with human illness during this outbreak. sera were obtained from 185 febrile individuals and tested for igg and igm antibody to selected arboviruses by enzyme immunoassay (eia). the prevalence of igg antibody was 59% for west nile (wn), 5 ... | 1994 | 8064945 |