In total, 40 countries have uploaded 8,040 BA.2 sequences to the Global Initiative to Share All Influenza Data (GISAID) as of November 17, 2021 and, at this time, have not yet been able to. determines the source of the substream, it is added.
According to UKHSA.
Meera Chand, incident director at the agency, said new spikes are “expected” as the pandemic continues.
“To date, there has not been enough evidence to determine whether BA.2 causes more severe disease than Omicron BA.1, but data are limited and UKHSA continues to investigate.”