വിക്ടറി വി.എച്ച്.എസ്. എസ് ഓലത്താന്നി/അക്ഷരവൃക്ഷം/coronavirus
2019–20 coronavirus pandemic
Coronavirus are a group of related viruses that cause diseases in mammals and bird. In humans coronavirus cause respiratory tract infection. coronavirus were first discovered in the 1930 .The 2019-20 coronavirus pandemic is an ongoing pandemic of coronavirus disease2019 (covid-19) The outbreak was identified in Wuhan. China in December2019.It is recognized as a pandemic on11March2020.As of 11April2020 more than1.71millions cases of covid-19 have been reported in 210 countries and territories resulting in more than 103.000 deaths.
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