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covid19 immunity

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Roger Seheult, MD of MedCram examines the BA.5 Omicron sub-variant of COVID-19, and immune boosting strategies. See all Dr. Seheult’s videos at: https://www.medcram.com (This video was recorded on July 21, 2022) Roger Seheult, MD is the co-founder and lead professor…

Infectious diseases specialist Dr. Zain Chagla explains who should get a second COVID-19 vaccine booster, and when. #COVID19 #COVID19Vaccine #Canada Watch The National live on YouTube Sunday-Friday at 9 p.m. ET Subscribe to The National: https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 Connect with The National…