WHO tracking 4 omicron sub-variants, says preventing all COVID transmissions 'not the goal'
Fox News
World Health Organization (WHO) official Dr. Maria Van Kerkhove said earlier this week that the agency is tracking four omicron sub-variants, including BA.1, BA.1.1, BA.2 and BA.3.
"Now, we already know that omicron has a growth advantage; it's more transmissible compared to other variants of concern and also has properties of immune escape," she said. "But, we know some of the sub-lineages, BA.2, has a growth advantage even over BA.1."
Van Kerkhove said that means that as the virus continues to circulate, there will be an increase in BA.2 cases.
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