Category: BA.5 COVID

New Omicron BA.4 and BA.5 Sublineages May Evade Vaccines, Natural Immunity. What Experts Say

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Authors: Mint Newsletters April 29, 2022 The BA.4 and BA.5 sublineages appear to be more infectious than the earlier BA.2 lineage The sub-lineages have been detected in seven of South Africa’s nine provinces and 20 countries worldwide New omicron sublineages, discovered by South African scientists this month, are likely able to evade vaccines and natural […]

Two new Omicron COVID subvariants BA.4 and BA.5 being analyzed by WHO

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Only a few dozen cases of BA.4 and BA.5 have been reported to the global GISAID database, according to WHO Authors: Jennifer Rigby Reuters April 11, 2022 The World Health Organization said on Monday it is tracking a few dozen cases of two new sub-variants of the highly transmissible Omicron strain of the coronavirus to […]