BA.4, BA.5 sub-variants becoming dominant COVID strain

BA.4 and BA.5 will soon be the dominant sub-variants of Covid-19 in Thailand, but have so far not been shown to cause severe illness, according to the Department of Medical Sciences.

Director-general Supakit Sirilak said on Monday that BA.4 and BA.5 caused more than 50% of all new Covid-19 cases over the past week.

Full story: Bangkok Post

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