West Nile: worldwide current situation in animals and humans

G Dauphin, S Zientara, H Zeller, B Murgue - … immunology, microbiology and …, 2004 - Elsevier
West Nile (WN) virus is a mosquito-borne flavivirus that is native to Africa, Europe, and
Western Asia. It mainly circulates among birds, but can infect many species of mammals, as
well as amphibians and reptiles. Epidemics can occur in rural as well as urban areas.
Transmission of WN virus, sometimes involving significant mortality in humans and horses,
has been documented at erratic intervals in many countries, but never in the New World until
it appeared in New York City in 1999. During the next four summers it spread with incredible …