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Top FDA official says fully vaccinated Americans may need more Covid shots this fall
Israel to offer fourth COVID-19 vaccine dose in bid to outpace Omicron | Reuters
Modeling comparative cost-effectiveness of SARS-CoV-2 vaccine dose fractionation in India | Nature Medicine
Biden Receives Updated Covid Booster and Urges Americans to Follow Suit - The New York Times
Health minister suggests fourth vaccine dose amid rising fears of fifth COVID wave | The Times of Israel
Australia recommends against fifth vaccine dose as fresh COVID wave builds | Reuters
Israel's bet on early COVID booster shots pays off – DW – 11/11/2021
Effectiveness of a fourth dose of mRNA COVID-19 vaccine against all-cause mortality in long-term care facility residents and in the oldest old: A nationwide, retrospective cohort study in Sweden - The Lancet