Moderna and Pfizer vaccines 'highly effective' at preventing infections in CDC study

Moderna vaccine
(Image credit: RADEK MICA/AFP via Getty Images)

Moderna's and Pfizer's COVID-19 vaccines have been found to be "highly effective" under real-world conditions in a new CDC study.

Centers for Disease Control and Prevention researchers in a study found that two COVID-19 vaccine doses prevented 90 percent of infections by two weeks after the second dose, while one dose also prevented 80 percent of infections after two weeks, The New York Times reports.

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