期刊
HUMAN VACCINES & IMMUNOTHERAPEUTICS
卷 17, 期 8, 页码 2448-2450出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/21645515.2021.1885281
关键词
COVID-19; SARS CoV-2; BCG vaccination
BCG vaccination in early life is unlikely to prevent SARS CoV-2 infection in adults, and potential benefits for children are confounded by multiple factors. Booster doses of BCG vaccination in adults may have protective value, pending results from well-designed clinical trials.
In order to assess the possible protective potential of BCG vaccination as regards to COVID-19, we have analyzed BCG vaccination status and SARS CoV-2 morbidity and mortality in China and we have also examined other studies performed in other countries to assess the potential of booster doses of BCG vaccination for adults. We have concluded that BCG vaccination early in life is highly unlikely to be a tool that might prevent SARS CoV-2 infection in adults. Furthermore, we have suggested that BCG vaccination potential benefit to decrease COVID-19 morbidity and mortality in children is confounded by many factors, e.g. age limitations of exposure and other vaccines. However, BCG vaccination booster doses in adults might be of protective value until the results of well-designed clinical trials are published to confirm, or refute, this potential.
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