Published in TB and Outbreaks Week, March 31st, 2009
"The 4 dengue virus (DENV) serotypes have been cocirculating in Sri Lanka for > 30 years. Over this period, a new genotype of DENV-1 has replaced an old genotype. Moreover, new clades of DENV-3 genotype III viruses have replaced older clades. Emergence of new clades of DENV-3 in 1989 and 2000 coincided with abrupt increases in the number of reported dengue cases, implicating this serotype in severe epidemics. In 19801997,...
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