Hayes CG: West Nile virus: Uganda, 1937, to New York City, 1999. Annals of the New York Academy of Sciences, 2001, 951. vsk, nro 1, s. 25-37. PubMed:11797781. doi:10.1111/j.1749-6632.2001.tb02682.x. (englanniksi)
West Nile VirusNews-Medical.net. Viitattu 26.1.2013. (englanniksi)
nih.gov
pubmed.ncbi.nlm.nih.gov
Hayes CG: West Nile virus: Uganda, 1937, to New York City, 1999. Annals of the New York Academy of Sciences, 2001, 951. vsk, nro 1, s. 25-37. PubMed:11797781. doi:10.1111/j.1749-6632.2001.tb02682.x. (englanniksi)