West nile virus infection of birds, Mexico.West Nile virus (WNV) has caused disease in humans, equids, and birds at lower frequency in Mexico than in the United States. We hypothesized that the seemingly reduced virulence in Mexico was caused by attenuation of the Tabasco strain from southeastern Mexico, resulting in lower viremia than that caused by the Tecate strain from the more northern location of Baja California. During 2006-2008, we tested this hypothesis in candidate avian amplifying hosts: domestic chickens, rock pigeons, house ...201122172633
[prevalence of west nile virus infection in animals from two state zoos tabasco].to determine the prevalence of west nile virus (wnv) infection in animals, mosquitoes and employees from two zoos of tabasco state, mexico.200818297185
west nile virus in mexico: evidence of widespread circulation since july 2002.west nile virus (wnv) antibodies were detected in horses from five mexican states, and wnv was isolated from a common raven in the state of tabasco. phylogenetic studies indicate that this isolate, the first from mexico, is related to strains from the central united states but has a relatively high degree of sequence divergence.200314720402
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