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Dengue Fever
New dengue fever study findings have been published by N. Kanakaratne and colleagues
March 31st, 2009
"Recent emergence of dengue hemorrhagic fever in the Indian subcontinent has been well documented in Sri Lanka. We compare recent (2003-2006) and past (1980-1997) dengue surveillance data for Sri Lanka," investigators in Colombo, Sri Lanka report. "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,...
Source: TB & Outbreaks Week (2009-03-31)
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