Covid-19: What we know about the BA.4 and BA.5 omicron variants. Mahase E. BMJ 2022;378:o1969.

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Amedeo Smart

Independent Medical Education

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Mahase E. Covid-19: What we know about the BA.4 and BA.5 omicron variants. BMJ 2022;378:o1969.
PMID: 35944918