Introduction of COVID-19

  • A novel coronavirus (SARS-CoV-2) that is zoonotic and causes respiratory disease
  • Human-to-human transmission had been caused, and infected people may have no clinical symptoms and then spread pathogens around
  • Incubation period is about 14 days
  • No drugs or vaccines available for COVID-19

Official names have been announced for the virus responsible for COVID-19 (previously known as “2019 novel coronavirus”) and the disease it causes.

The official names are:

Disease

coronavirus disease
(COVID-19)

Virus

severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2)

Source:WHO