The faster spreading BA.2 subvariant of Covid-19’s Omicron variant accounted for 18.5% of Omicron cases examined over the past week, the Department of Medical Sciences reported.
Director-general Supakit Sirilak said on Tuesday that the department examined 567 Omicron cases from Feb 5 to 11 and found 18.5% were of the BA.2 subvariant and the rest BA.1.
“There are some signs that BA.2 spreads faster than BA.1 looking at cases in other countries but there has not been any significant difference from BA.1 when it comes to severity and vaccine avoidance,” Dr Supakit said.
The department also found BA.2 in 19% of 42…
