Volume 16, Number 5—May 2010
Dispatch
Dengue Virus Surveillance for Early Warning, Singapore
Figure 1

Figure 1. Trends of monthly dengue cases in Singapore, 2005–2008, showing a switch in predominant serotype from dengue virus serotype 1 (DENV-1) to DENV-2 in January 2007 and cocirculation of all 4 serotypes with general dominance of DENV-1 and DENV-2 and lesser circulation of DENV-3 and DENV-4. *From ≈10% of all dengue cases.
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