covid 19

2019 Novel Coronavirus Disease (COVID-19) The novel coronavirus disease (COVID-19) is a new virus of global health significance caused by infection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). On March 11, 2020, the World Health Organization (WHO) declared COVID-19 a global pandemic. COVID-19 Transmission According to the US Centers for Disease Control and Prevention … Read more