Corona virus SARS COV-2 Life Cycle, structure and genome explained

Corona virus is a family of virus that causes diseases in mammals and birds.

According to World Health Organization (WHO), in humans, several coronaviruses are known to cause respiratory infections ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).

Why the name “corona”?

The most prominent feature of coronaviruses is the club-shape spike projections emanating from the surface of the virion. These spikes are a defining feature of the virion and give them the appearance of a solar corona under two-dimensional transmission electron microscopy (TEM), prompting the name, coronaviruses. (Latin corona meaning “crown or halo”)

This video explains the life cyle of SARS CoV-2 virus that cause COVID-19 disease.

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