The common cold in adults: Treatment and prevention | Centers for Disease Control and Prevention |
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Allergic rhinitis: Clinical manifestations, epidemiology, and diagnosis | Similarities and differences between flu and COVID-19 |
Journal of Korean Medical Science | Centers for Disease Control and Prevention |
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Coronavirus disease 2019 COVID-19 : How COVID-19 spreads | Centers for Disease Control and Prevention |
Frequently asked influenza flu questions: 2020-2021 season | |
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Social distancing against COVID-19: Implication for the control of influenza |