BioNTech and Sinovac Vaccines Less Effective Against Omicron: Study
The BioNTech and Sinovac vaccines are significantly less effective against Omicron subvariants BA.4 and BA.5 compared to the original virus strain, according to a new study. The study, jointly conducted by the University of Hong Kong (HKU) and the Chinese University of Hong Kong, found that the …
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