This cohort study compares rates of coronavirus PCR test positivity among Israelis with symptoms suspicious for COVID-19 who did and did not receive BCG vaccination as part of routine childhood immunization in the early 1980s.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7221856 | PMC |
http://dx.doi.org/10.1001/jama.2020.8189 | DOI Listing |
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