In a new study from the U.S. Centers for Disease Control and Prevention, researchers found the Pfizer-BioNTech, Moderna, and Janssen COVID-19 vaccines are highly effective for preventing COVID-19-associated hospitalization among older adults in the United States.
They examined the real-world effectiveness of the three currently authorized COVID-19 vaccines among individuals aged 65 years and older from Feb. 1 to April 30, 2021.
Data from 7,280 patients from the COVID-19-Associated Hospitalization Surveillance Network were analyzed with vaccination coverage data.
The researchers found that the effectiveness of full vaccination in preventing COVID-19-associated hospitalization was 96, 96, and 84 percent for the Pfizer-BioNTech, Moderna, and Janssen vaccine products, respectively, among adults aged 65 to 74 years.
Among adults aged 75 years or older, the effectiveness of full vaccination in preventing COVID-19-associated hospitalization was 91, 96, and 85 percent, respectively.
These findings provide additional evidence that available vaccines are highly effective in preventing COVID-19-associated hospitalizations.
They also demonstrate that the performance of COVID-19 vaccines can be assessed using existing disease surveillance and immunization data.
The team says efforts to increase vaccination coverage are critical to reducing the risk for COVID-19-related hospitalization, particularly in older adults.
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The study is published in Morbidity and Mortality Weekly Report. One author of the study is Heidi L. Moline, M.D.
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