No abstract available
Keywords:
COVID-19; history; pandemic preparedness; social distancing.
MeSH terms
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Betacoronavirus
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COVID-19
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Coronavirus Infections*
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History, 20th Century
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Humans
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Influenza Pandemic, 1918-1919 / history*
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Influenza Pandemic, 1918-1919 / prevention & control
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Masks / history
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Pandemics / history*
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Pandemics / prevention & control
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Pneumonia, Viral*
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SARS-CoV-2
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San Francisco