News Snapshot:
China’s Sinovac COVID-19 booster weaker against Omicron — Hong Kong study Three doses of Sinovac’s CoronaVac coronavirus disease 2019 (COVID-19) vaccine do not produce adequate levels of antibodies to fight the Omicron variant of the coronavirus, researchers from Hong Kong said in a statement. Their analysis revealed Pfizer-BioNTech vaccine was more effective, as a third dose of the shot administered after two doses of the same or China’s Sinovac vaccine provided “protective levels” of antibody against Omicron. Pfizer and its German partner BioNTech have said their three-shot course was able to neutralize the new Omicron variant in a laboratory test....
