Stealth Omicron BA.2, Found in 48 States, Should Remain Variant of Concern Says WHO
The Omicron sub-type is thought to be more transmissible than the more common BA.1 type, although other characteristics are still unclear.
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The Omicron sub-type is thought to be more transmissible than the more common BA.1 type, although other characteristics are still unclear.
Booster shots were at least as effective against the new form of Omicron compared with the original, according to early data.
The Omicron sub-type has been given the "stealth" moniker despite the fact that it will still give a positive COVID test result—here's why.
The Delta sub-variant of coronavirus continues to spread, but U.S. totals have varied widely in recent days, data shows.
The Delta variant offshoot, found in dozens of countries, could be more transmissible than other Delta mutants.