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Pfizer and Moderna vaccines are both safe and have similar effectiveness at preventing COVID-19 illness. Clinical trial data when they were first released in December 2020 showed 95% efficacy for ...
The Moderna COVID‑19 vaccine, sold under the brand name Spikevax, is a COVID-19 vaccine developed by the American company Moderna, the United States National Institute of Allergy and Infectious Diseases (NIAID), and the Biomedical Advanced Research and Development Authority (BARDA).
In a study of more than 50,000 patients in the Mayo Clinic Health System https://bit.ly/37Btmhf, researchers found the effectiveness of Moderna's vaccine against infection had dropped to 76% in ...
They further calculated that the vaccine was 49% effective at protecting against symptoms from the JN.1 variant, which now causes a majority of infections in the U.S.—even though the shot was ...
Many vaccine candidates use adjuvants to enhance immunogenicity, as part of the delivery system or as an accompanying immune stimulant. [8] [9] Vaccine adjuvant formulations using aluminum salts or "alum" may be particularly effective for technologies using inactivated COVID-19 virus and for recombinant protein-based or vector-based vaccines ...
"The short answer is that both vaccines are very safe and effective," she said. "And getting whichever vaccine is available to you first is the best vaccine." ... Moderna's vaccine had an efficacy ...
The experimental vaccine, which met the main trial goal, was being tested in more than 11,000 people aged 12 years and older. ... Moderna had designed the next-generation vaccine to offer a longer ...
(Reuters) - Moderna said on Thursday an initial study data showed its updated COVID-19 vaccine to be effective against the "Eris" and "Fornax" subvariants in humans.