CDC Study: COVID-19 vaccine associated with 5 times the protection of ‘natural immunity’.

Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19–Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity — Nine States, January–September 2021 – CDC Morbidity and Mortality Weekly Report

Commentaries:

COVID-19 vaccine gives 5 times the protection of ‘natural immunity,’ data show – CIDRAP

COVID shots more protective than past infection, study shows – Associated Press

Commentary on Twitter

⚠️BREAKING—REINFECTION & NATURAL IMMUNITY—new CDC study in hospitalized adults finds: unvaccinated people with prior #COVID19 infection recently were **5 times more likely** to be reinfected / get breakthrough versus people recently fully vaccinated! ? https://t.co/VGmWPmm5lE pic.twitter.com/mlt5fJ3643

— Eric Feigl-Ding (@DrEricDing) October 29, 2021