Question

corona virus 10 lines in English​

Answer 1

1. Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds.
2. In humans, these viruses cause respiratory tract infections that can range from mild to lethal.
3. Coronaviruses constitute the subfamily Orthocoronavirinae, in the family Coronaviridae, order Nidovirales, and realm Riboviria.
4. The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath", itself a borrowing from Greek κορώνη korṓnē, "garland, wreath".
5. The name was coined by June Almeida and David Tyrrell who first observed and studied human coronaviruses.
6. Coronaviruses were first discovered in the 1930s when an acute respiratory infection of domesticated chickens was shown to be caused by infectious bronchitis virus (IBV). Human coronaviruses were discovered in the 1960s.
7. Coronaviruses are large, roughly spherical particles with bulbous surface projections.
8. Coronaviruses contain a positive-sense, single-stranded RNA genome.
9. Infected carriers are able to shed viruses into the environment. The interaction of the coronavirus spike protein with its complementary cell receptor is central in determining the tissue tropism, infectivity, and species range of the released virus.
10. The scientific name for coronavirus is Orthocoronavirinae or Coronavirinae.
11. Coronaviruses vary significantly in risk factor. Some can kill more than 30% of those infected, such as MERS-CoV, and some are relatively harmless, such as the common cold.
12. In December 2019, a pneumonia outbreak was reported in Wuhan, China.On 31 December 2019, the outbreak was traced to a novel strain of coronavirus, which was given the interim name 2019-nCoV by the World Health Organization (WHO), later renamed SARS-CoV-2 by the International Committee on Taxonomy of Viruses.

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