Last month new “bivalent” booster vaccines made by Moderna and Pfizer became available that protect against currently circulating Omicron variants as well as earlier strains of the SARS-CoV-2 virus that causes COVID-19. This Q&A features Joel Ernst, MD, a UCSF professor of medicine whose research aims to understand how pathogens evade the immune system.
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United States , India , Wuhan , Hubei , China , Joel Ernst , Regina Lai , Susan Merrell , Pfizer , Flu Shots ,
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