COVID-19 was reported to be a Public Health Emergency of International Concern by WHO .
It is contagious in humans and is the cause of the ongoing pandemic of coronavirus disease 2019 ( COVID-19 ) that has been designated a Public Health Emergency of International Concern by the World Health Organization ( WHO ) .SARS-CoV-2 has close genetic similarity to bat coronaviruses , from which it likely originated .
Severe acute respiratory syndrome coronavirus 2