COVID-19 Coronavirus Vaccine is Here, What About Mutations?

Since 2020, millions of people are battling against the COVID-19 coronavirus every day. Today, in 2021, with the vaccine discovery, countries have gained positivity. But no common man expected a mutant strain of COVID-19 ten months ago. In March 2020, a cancer patient who tested positive for COVID 19 died after the treatment with antiviral […]