COVID-19

COVID-19 is the disease caused by a new coronavirus called SARS-CoV-2. WHO first learned of this new virus on 31 December 2019, following a report of a cluster of cases of ‘viral pneumonia’ in Wuhan, People’s Republic of China.

What to do to keep yourself and others safe from COVID-19

  • Maintain at least a 1-metre distance between yourself and others to reduce your risk of infection when they cough, sneeze or speak. Maintain an even greater distance between yourself and others when indoors. The further away, the better.
  • Make wearing a mask a normal part of being around other people. The appropriate u

Coronavirus classification and characteristics

summary
Corona virus (CoV) is a virus that can infect humans and various animals, and is an RNA virus with a gene size of 27 to 32 kb.
Classification

There are 4 genera (alpha, beta, gamma, delta) in the coronavirus family.

  • Alpha · Beta: Infects humans and animals
  • Gamma/Delta: Infects animals
shape

The shape is spherical when observed with an electron microscope as the name of the coronavirus.

  • Crown shape characterized by external spike protein
Human infectious coronavirus

There are 6 types of human infectious coronaviruses known to date.

  • Types that cause cold (229E, OC43, NL63, HKU1)
  • Types that can cause severe pneumonia (SARS-CoV, MERS-CoV)

내용 출처 : MOHW, WHO