Beschreibung:
<jats:p>Coronavirus disease 2019 (COVID‐19, the 7th coronavirus) was a pandemic infectious disease with significant morbidity and mortality in the world. The respiratory system is often involved in COVID-19 infection. Underlying disorders such as uncontrolled asthma are a risk factor for COVID-19 infection. For protecting against COVID-19, we need vaccination-associated social care such as facial masks, distance, and sanitizers.</jats:p>