west nile fever in israel 1999-2000: from geese to humans.west nile virus (wnv) caused disease outbreaks in israel in the 1950s and the late 1970s. in 1998 an outbreak of wnv in goose farms and evidence of infection in dead migratory birds were reported. consequently, human diagnostic services for wnv were resumed, including virus isolation, serology, and rt-pcr. risk factors for infection were assessed by a serological survey in 1999, which revealed a seroprevalence of (a) 86% in people who had close contact with sick geese, (b) 28% in people in areas ...200111797770
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