SARS-CoV-2 Rates in BCG-Vaccinated and Unvaccinated Young Adults

Confirmed cases of coronavirus disease 2019 (COVID-19) and case-fatality rates vary among countries. One reason could be national policies regarding childhood BCG vaccination, with fewer confirmed cases and a lower death toll reported in countries with vs without universal BCG vaccine coverage.1,2Comparing outbreak characteristics between countries is influenced by potential confounders such as different phases of outbreak, mean age of affected population,management of the pandemic, amount of tests being administered, definitions of COVID-19–related deaths, or underreporting

SARS-CoV-2 Rates in BCG-Vaccinated and Unvaccinated Young Adults
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