Moderna COVID-19 Vaccine Effectiveness Turns Negative Within Months: Study
A nurse administers a COVID-19 booster vaccination at a COVID-19 vaccination clinic in San Rafael, Calif., on April 6, 2022. (Justin Sullivan/Getty Images) By Zachary Stieber October 10, 2022 Updated: October 11, 2022 biggersmaller Print The effectiveness of Moderna’s COVID-19 vaccine against infection turns negative over time, according to a new study that was funded by the vaccine maker. The … Read more