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Mistry of Covid-19

  • Post category:Science

COVID-19,this is the name that scared the world once again in December 2019. Earlier in 1918, one of the deadliest flu outbreaks in history, it infected about 500 million people, and killed over 50 million people. The pandemic was one of the two outbreaks caused by the H1N1 virus. Lasting from February 1918 to April 1920, it infected 500 million people  about a third of the world’s population at the time.
Origin of COVID-19Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel severe acute respiratory syndrome coronavirus. It was first isolated from three people with pneumonia connected to the cluster of acute respiratory illness cases in Wuhan. All structural features of the novel SARS-CoV-2 virus particle occur in related coronaviruses in nature.
Coronavirus Come From

As per the opinions and best knowledges of experts, SARS-CoV-2 originated in bats. That’s also how the coronaviruses behind Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS) got started.

SARS-CoV-2 made the jump to humans at one of Wuhan’s open-air “wet markets.” They’re where customers buy fresh meat and fish, including animals that are killed on the spot.

Some Wuhan’s wet markets sell wild or banned species like cobras, wild boars, and raccoon dogs. Crowded conditions can let viruses from different animals switch genetic factor. Sometimes the virus changes so much it can start to infect and spread among people. 

Still, the Wuhan (China) market didn’t sell bats at the time of the epidemic. That’s why early suspicion also fell      onpangolins. Some coronaviruses that infect pangolins are similar to SARS-CoV-2.

SARS-CoV-2, spread in China, it infected people who have had no any direct contact to animals. So, that intended the virus is transmitted from one people to another. It’s now spreading in the U.S., U.K. Russia, India, Canada and around the globe, sense that people are unsuspectingly catching and passing on the coronavirus.

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