The Concept of a Pandemic. Home Isolation, Protection From Coronavirus Infection, Quarantine. Global
The concept of a crown virus. Home isolation, protection from coronavirus infection, quarantine. Global biological hazard. Air pollution. Protection from viruses and pandemics. The epidemic of coronavirus. Concept of distance education. The concept of health care. The “stay at home” concept.
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27894178-The Concept of a Pandemic. Home Isolation, Protection From Coronavirus Infection, Quarantine. Global.zip
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