👉Corona virus comprises of a large family of viruses that are common in human beings as well animals (camels, cattle, cats, and bats).
👉There are seven different strains of corona virus:
- 229E (alpha coronavirus)
- NL63 (alpha coronavirus)
- OC43 (beta coronavirus)
- HKU1 (beta coronavirus)
- MERS-CoV (the beta coronavirus that causes Middle East Respiratory Syndrome, or MERS)
- SARS-CoV (the beta coronavirus that causes severe acute respiratory syndrome, or SARS)
- SARS-CoV-2 (the novel coronavirus that causes coronavirus disease 2019, or COVID-19)
👉Sometimes corona virus from animals infect people and spread further via human to human transmission such as with MERS-CoV, SARS-CoV, and now with this COVID 19 (Corona disease 2019).
👉The virus that causes COVID-19 is designated severe acute respiratory syndrome corona virus 2 (SARS-CoV-2); previously, referred to as 2019-nCoV.
👉Towards December 2019, this novel corona virus was identified as a cause of upper and lower respiratory tract infections in Wuhan, a city in the Hubei Province of China.
👉It rapidly spread, resulting in an epidemic throughout China and then gradually spreading to other parts of the world in pandemic proportions.
👉It has affected almost every continent in this world, except Antarctica.
👉In February 2020, the World Health Organization designated the disease COVID-19, which stands for corona virus disease 2019.
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