Comment on One chart shows how well vaccines and boosters protect against severe Omicron compared to Delta

One chart shows how well vaccines and boosters protect against severe Omicron compared to Delta

Jolanta Gawlik, left, gives Juliana Cepeda the Pfizer COVID-19 vaccine in New York.Mark Lennihan/AP Photo Booster shots appear to be at least 90% effective against hospitalization for Delta and Omicron. But Omicron poses a greater challenge to vaccine protection, according to two new CDC studies. Omicron increased the odds that vaccinated or boosted people would get infected relative to Delta. COVID-19 booster shots were effective at preventing hospitalization and death before Omicron started spreading in the US.

 

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