Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus wikipedia SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus wikipedia SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19