Researchers analyzed hospitalizations for COVID-19-like illness among adults across 187 hospitals spanning nine states from January to September. Hospitalizations included in the analysis were either unvaccinated patients who had a confirmed COVID-19 case 90-179 days earlier, or vaccinated patients with no previously confirmed case.
A total of 1,020 hospitalizations were among unvaccinated patients who were previously infected with COVID-19, and 6,328 patients were fully vaccinated with no prior infection.
The unvaccinated group of hospitalized patients with COVID-19-like illness was about five times more likely to test positive compared to fully vaccinated patients, the findings showed.
“These findings suggest that among hospitalized adults with COVID-19–like illness … vaccine-induced immunity was more protective than infection-induced immunity against laboratory-confirmed COVID-19,” the report said. “All eligible persons should be vaccinated against COVID-19 as soon as possible, including unvaccinated persons previously infected with SARS-CoV-2.”
To view the full report, click here.
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