- Omicron significantly reduces Covid antibody protection in small study of Pfizer vaccine recipients CNBC
- Covid-19 Live Updates: Omicron Variant, Travel and Vaccines News The New York Times
- Omicron Variant: Pfizer Vaccine Provide Partial Protection in South Africa Study Bloomberg
- Early Lab Test Shows Omicron Weakening Vaccine Effectiveness The Wall Street Journal
- Pfizer vaccine may be less effective against omicron, early lab data indicate NBC News
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Omicron significantly reduces Covid antibody protection in small study of Pfizer vaccine recipients – CNBC
