Bhattacharya, Chitra; Kumar Ravi, Ravi Ranjan; Das, Mousumi
(RET Academy for International Journals of Multidisciplinary Research, 2020)
The COVID-19 (Coronavirus Disease-19) is extremely contagious and quickly spreadable pathogenic viral infection caused by SARS-CoV- 2, a virus belongs to coronavirus family member. It was appeared abruptly in Wuhan, China; ...