SARS-CoV-2 : PUB and Boxing stadium in Bangkok, Thailand
Keywords:
SARS-CoV-2, COVID-19, Phylogenetic analysisAbstract
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Thailand was firstly confirmed on January 8, 2020 from the patient travelling from China, and the widespread infection of COVID-19, originally from a boxing stadium and pubs in Bangkok, has rapidly occurred in March. This study was to investigate the entire genome of SARS-CoV-2 from the two groups of patients with Thai nationality. Phylogenetic analysis was performed based on whole genome sequences of isolated SARS-CoV-2 derived from clinical samples of patients. Viral genotyping for both groups revealed that the virus infection was caused by clade S with a sister lineage to the strains from South Korea and Hong Kong and a basal lineage to the strains from Spain and Mexico. Our findings showed differences from clade L that was isolated from the Chinese patient during the initial COVID-19 outbreak in Thailand. It suggested that the genetic evolution of SARS-CoV-2 in Thailand was different from that in the epicenter of the outbreak in China.
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