Electronic Cigarette Smoking and Perception among Youth: The Omicron subvariants BA.4 and BA.5 have together become dominant in the U.S., the C.D.C. estimates.

Tuesday, June 28, 2022

The Omicron subvariants BA.4 and BA.5 have together become dominant in the U.S., the C.D.C. estimates.

By BY ADEEL HASSAN from NYT Health https://ift.tt/Rh8rlDa

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