Source: www.forbes.com
The CDC studied over 600,000 Covid-19 infections across 13 U.S. cities and states from April to July, and found just 8% of cases were among fully vaccinated patients.
The vaccines were slightly less effective at stopping overall infections after delta became the virus’ dominant strain: Unvaccinated people were 4.6 times more likely to catch the virus from late June to mid-July, down from 11.1 between early April and late June, and the vaccines’ effectiveness dropped from 91% to 78% over the same period.
Still, the vaccines held up against hospitalization and death, with vaccinated U.S. adults 10.4 times less likely to end up in the hospital and 11.3 times less likely to die after delta surged in late June, a slight decrease from 13.3 and 16.6 before delta’s onset.
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