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Influenza
Studies from W.Q. Xiu and colleagues yield new information about influenza
June 24th, 2008
According to a study from Fuzhou, People's Republic of China, "We studied the genetic and epidemic characteristics of influenza A (H3N2) viruses circulated in human in Fujian Province, south of China from 1996 to 2004. Phylogenetic analysis was carried out for genes encoding hemagglutinin1 (HA1) of influenza A virus (14 new and 11 previously reported reference sequences)." "Our studies revealed that in the 8 flu seasons, the mutations of HA1 genes occurred from time to time, which were responsible for about four times of antigenic drift of influenza H3N2 viruses in Fujian, China. The data demonstrated that amino acid changes were limited to some key codons at or near...
Source: TB & Outbreaks Week (2008-06-24)
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