Study of English (About corona)

The Novel Coronavirus diseas 2019 (COVID-19) is caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2).

Not only humans but also cats, dogs and tigers were infacted with the virus. The virus was discoverd in Wuhan, China in November 2019. It is devided by theire structure into viruses with envelopes and viruses without envelopes. Viruses with envelope including SARS-CoV-2 are easliy damaged by alcohol. For this reason, the disinfection with alcohol is an effective method.