COVID 19 - A brief details about COVID-19 , HISTORY, STRUCTURE, MODE OF TRANSMISSION, MODE OF ACTION and SYMPTOMS
COVID-19 - Eishika Das, -Soumyaprabha Ganguly HISTORY: Coronavirus disease 2019 ( COVID-19 ) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) The disease was first identified in 2019 in Wuhan , the capital of Hubei , China, and has since spread globally, resulting in the 2019–20 coronavirus pandemic . According to the World Health Organization (WHO), viral diseases continue to emerge and represent a serious issue to public health. In the last twenty years, several viral epidemics such as the severe acute respiratory syndrome coronavirus (SARS-CoV) in 2002 to 2003 beginning in China and involving two dozen countries with approximately 8000 cases and 800 deaths , and H1N1 influenza in 2009, have been recorded. Most recently, the Middle East respiratory syndrome coronavirus (MERS-CoV) was first identified in Saudi Arabia in 2012 approximately 2,500 cases and 800...