sharma, D. A., Kumar Sharma, D. B. ., Singh, D. R. ., Thaku, D. V. ., Jassal, D. S. . and Raina, S. . (2020) “A Literature Review On Serious Pandemic Disease :- COVID-19”, Journal of Current Medical Research and Opinion, 3(09), pp. 605–613. doi: 10.15520/jcmro.v3i09.333.