Chikungunya virus (CHIKV), probably Asian genotype, was first detected in Cambodia in 1961. Despite no evidence of acute or recent CHIKV infections since 2000, real-time reverse transcription PCR of serum collected in 2011 detected CHIKV, East Central South African genotype. Spatiotemporal patterns and phylogenetic clustering indicate that the virus probably originated in Thailand.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3557864 | PMC |
| http://dx.doi.org/10.3201/eid1812.120471 | DOI Listing |
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