Abstract
Novel Coronavirus (Covid-19) is an infectious disease caused by Severe Acute Respiratory Syndrome Corona Virus 2 (SARS-CoV-2). It is a new strain that is identified newly in humans, which was originated in China in 2019. This virus spread from an infected person’s mouth or nose upon coughing, sneezing, speaking, or breathing. This is an ongoing global pandemic which increases day by day. The only solution to decrease the fatality caused by COVID-19 is vaccination. Vaccines are of different types. Vaccines get differed depending on the approach in designing them. Inactivated, live attenuated, and viral vector vaccines are made up of the whole microbe approach. Subunit vaccines are made up of the subunit approach. Nucleic acid vaccines are made up of nucleic acids. The present review has attempted to reveal the different types of vaccines used against COVID-19.
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