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West Nile Virus
Research reports from R. Barrera and co-authors provide new insights into west nile virus
June 3rd, 2008
"A sentinel chicken program for West Nile virus (WNV) surveillance was initiated in July 2006 in eastern Puerto Rico, yielding the first seroconversions on June 4, 2007. WNV was isolated from sentinel chicken serum and mosquito pools (Culex nigripalpus, Culex bahamensis) for the first time in Tropical America," scientists in the United States report. "Preliminary sequence analysis of the prM and E genes revealed a 1-amino acid difference (V159A) between the Puerto Rican 2007 and the NY99. This mutation has been observed in the current dominant clade circulating in the United States," wrote R. Barrera and colleagues. The researchers concluded:...
Source: TB & Outbreaks Week (2008-06-03)
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