Abstract
Nearly 100 years since it was first used in humans as a vaccine for tuberculosis, Bacillus Calmette–Guérin (BCG) has been suggested as a possible agent to prevent coronavirus disease 2019 (COVID-19). A number of studies are underway to investigate this possibility but — even if they prove effective — many questions will remain.
MeSH terms
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Adjuvants, Immunologic / administration & dosage*
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Animals
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BCG Vaccine / administration & dosage*
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Betacoronavirus / drug effects*
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Betacoronavirus / physiology
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COVID-19
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Clinical Trials as Topic / methods
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Coronavirus Infections / diagnosis
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Coronavirus Infections / epidemiology
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Coronavirus Infections / prevention & control*
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Humans
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Pandemics / prevention & control*
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Pneumonia, Viral / diagnosis
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Pneumonia, Viral / epidemiology
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Pneumonia, Viral / prevention & control*
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SARS-CoV-2
Substances
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Adjuvants, Immunologic
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BCG Vaccine