COVID-19 is an infectious disease caused by the SARS-CoV-2 virus. Till now there are 250 million cases and more than 5 million people have died around the world as per Worldometer. This pandemic had a devastating impact on public health, the food system, and the...
Brief history of Covid-19 SARS-CoV-2 the new corona virus that causes COVID-19 was first discovered in 2019 at Wuhan, China. Since then, it has spread to 221 countries. Till now 238253585 people were reported affected and 4860965 have died as per Worldmeter....
