Coronavirus

  are a group of related RNA viruses that cause Coronaviruses diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal. Mild illnesses in humans include some cases of the common cold (which is also caused by other viruses, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS, and COVID-19. In cows and pigs they cause diarrhea, while in mice they cause hepatitis and encephalomyelitis.


Orthocoronavirinae

Coronaviruses 004 lores.jpg

Transmission electron micrograph of Avian coronavirus

Illustration of a SARS-CoV-2 virion

Illustration of a coronavirus[2]

  Red: spike proteins (S)

  Grey: lipid bilayer envelope

  Yellow: envelope proteins (E)

  Orange: membrane proteins (M)

Virus classificatione

(unranked):

Virus

Realm:

Riboviria

Kingdom:

Orthornavirae

Phylum:

Pisuviricota

Class:

Pisoniviricetes

Order:

Nidovirales

Family:

Coronaviridae

Subfamily:

Orthocoronavirinae

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