More contagious Omicron subvariants found in Thailand

  THE Public Health Ministry said today (June 22) two new Omicron subvariants, BA.4 and BA.5, that appear to be even more contagious were found in Thailand a month ago but the proportions and trends are still being studied, Thansettakij newspaper said. Dr. Supakit Sirilak, the head of Medical Sciences Department, said at the medical

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