
Ministry of Public Health officials are on high alert after at least one foreign national was detected carrying an Omicron sub-variant with the potential to cause severe infections, according to the ministry's Department of Medical Sciences.
Supakit Sirilak, director-general of the DMSc, on Monday said Omicron has become the dominant coronavirus strain in Thailand, with the BA.2 sub-variant attributed to 97.6% of infections in the country.