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  2. Transmission of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_COVID-19

    Transmission of COVID-19. The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets / aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or ...

  3. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/COVID-19

    Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan , China, in December 2019. [ 7 ] Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis , similar to the SARS-CoV-1 and MERS-CoV outbreaks, and consistent ...

  4. MERS - Wikipedia

    en.wikipedia.org/wiki/MERS

    MERS-CoV is a virus in the coronavirus family believed to be originally from bats. [ 1] However, humans are typically infected from camels, either during direct contact or indirectly through respiratory droplets. [ 1] Spread between humans typically requires close contact with an infected person. [ 1]

  5. Portal:COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Portal:COVID-19

    The COVID-19 portal. Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and ...

  6. SARS-related coronavirus - Wikipedia

    en.wikipedia.org/wiki/SARS-related_coronavirus

    SARS-related coronavirus is a member of the genus Betacoronavirus (group 2) and monotypic of the subgenus Sarbecovirus (subgroup B). [13] Sarbecoviruses, unlike embecoviruses or alphacoronaviruses, have only one papain-like proteinase (PLpro) instead of two in the open reading frame ORF1ab. [14] SARSr-CoV was determined to be an early split-off ...

  7. SARS-CoV-1 - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-1

    Severe acute respiratory syndrome (SARS) is the disease caused by SARS-CoV-1. It causes an often severe illness and is marked initially by systemic symptoms of muscle pain, headache, and fever, followed in 2–14 days by the onset of respiratory symptoms, [ 13] mainly cough, dyspnea, and pneumonia. Another common finding in SARS patients is a ...

  8. SARS - Wikipedia

    en.wikipedia.org/wiki/SARS

    783 known. Severe acute respiratory syndrome ( SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. [ 3] The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak.

  9. MERS-related coronavirus - Wikipedia

    en.wikipedia.org/wiki/MERS-related_coronavirus

    Betacoronavirus cameli [ 1] ( also known as Middle East respiratory syndrome–related coronavirus abbreviated as MERS-CoV ), [ 2] or EMC/2012 ( HCoV-EMC/2012 ), is the virus that causes Middle East respiratory syndrome (MERS). [ 3][ 4] It is a species of coronavirus which infects humans, bats, and camels. [ 5]

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