कोरोना वायरस कब शुरू हुआ .._ Basic information about covid 19

By : Scientific Analysis

Published On: 2020-07-02

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02:48

There is a many things about corona virus.

In this video I talk about COVID-19.

Coronavirus were first discovered in 1930s in chickens. It was called infection bronchitis virus. After, in 1940s two more animals were infected by coronavirus .

Human coronavirus first discovered in 1960s from common cold it was later named human coronavirus 229E and human coronavirus OC43. other coronavirus have identified in

2003 -- SARS COV

2004 -- HCOV NL63

2019 -- SARS COV-2 (COVID-19)

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