Why Are There Different Forms of the Vaccine?

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Why Are There Different Forms of the Vaccine?

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There are a couple of reasons as to why there are different forms of not only the COVID-19 vaccine but of vaccines in general. This is because not much is understood about the COVID-19 virus, so there are multiple vaccines in trial or tested in order to provide as much of a range of protection as possible

The two main vaccines use mRNA, which is still relatively new but effective, but the vector vaccines have been used since the 1970s to treat viral diseases

CDC. 2020. “Coronavirus Disease 2019 (COVID-19).” Centers for Disease Control and Prevention. February 11, 2020.

“Covid-19 Vaccine Frequently Asked Questions.” 2021. New England Journal of Medicine. 2021.

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This item was submitted on January 24, 2021 by Delanie Cencelewski using the form “Share Your Story” on the site “A Journal of the Plague Year”:

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