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The BA.2 variant was found to be 1.5 times more transmissible than the Omicron strain, stated a study. Omicron, which is also referred to as B.1.1.529, has three main substrains, BA.1, BA.2, and BA.3, according to the World Health Organization (WHO).
from Medindia Health News https://ift.tt/19GaEmPrL
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