University of California - Los Angeles Health Sciences Feb 21 2025 Paxlovid does not significantly reduce COVID-19 hospitalization and mortality among vaccinated older adults, according to new UCLA-led research. The study questions the assumption that Paxlovid's effectiveness in reducing COVID-19 hospitalizations and deaths in unvaccinated adults also applies to vaccinated adults. Pfizer's 2022 clinical trial found reduced COVID-19 hospitalization in unvaccinated middle-aged adults; while a

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