- Pfizer Jab Provides Less Immunity To Omicron Than Other Variants: Study NDTV
- Pfizer Shot Provides Partial Omicron Shield in Test Bloomberg Markets and Finance
- Omicron significantly reduces Covid antibody protection in small study of Pfizer vaccine recipients CNBC
- Omicron coronavirus variant partly evades Pfizer vaccine’s protection, study shows CNN
- Covid Updates: Early Study Shows Pfizer Vaccine Gives Some Protection Against Omicron The New York Times
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