Roger Seheult, MD of MedCram examines the effectiveness of vaccinations and previous infection against the BA.5 omicron sub-variant of COVID-19 . See all Dr. Seheult’s videos at: https://www.medcram.com (This video was recorded on July 25, 2022) Roger Seheult, MD is…

The latest Omicron subvariant BA.5 is the most easily transmissible COVID-19 variant to date, able to evade previous immunity from COVID infection and vaccination. Dr. Dean Blumberg, Chief of Pediatric Infectious Diseases at UC Davis Children’s Hospital, explains why BA.5…