Delta variant caused more severe breakthrough cases than expected, 10 times higher risk for unvaccinated – NBC New York
[ad_1] What there is to know CDC researchers looked at rates of severe COVID outcomes in unvaccinated and fully vaccinated people during the period when the weekly prevalence of delta cases fell from less than 1% to 90% During this period, those fully vaccinated in the 13 jurisdictions studied (including New York) accounted for 9% … Read more