Vaccination protects against Covid-19 hospitalization significantly more than prior infection, according to CDC study
CNN
Both vaccination and prior infection help protect against new Covid-19 infections, but vaccination protects against hospitalization significantly more than natural immunity from prior infection alone, according to a study published Wednesday by the US Centers for Disease Control and Prevention.
"Although the epidemiology of COVID-19 might change as new variants emerge, vaccination remains the safest strategy for averting future SARS-CoV-2 infections, hospitalizations, long-term sequelae, and death," the researchers wrote.
Researchers analyzed the risk of Covid-19 infection and hospitalization among four groups of individuals: vaccinated with and without prior infection and unvaccinated with and without prior infection. The study case data from about 1.1 million cases in California and New York between the end of May and mid-November 2021. Hospitalization data was available from California only.
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