Abstract
In April 2020, the United States established Operation Warp speed to develop a Corona Virus Disease 2019 (COVID-19) vaccine and produce 300 million doses by January 2021. History suggest that the initiative is aptly named as Barney S. Graham notes, “Vaccine development is usually measured in decades, so having access to approved vaccines available for large scale distribution before the end of 2020 or even 2021 would be unprecedented. Emergency use of authorization for two Messenger RNA (m-RNA) vaccine-the BNT162b2 vaccine (Pfizer-BioNTech) and the mRNA-173 vaccine (Moderna) Marked important milestones in efforts to respond to the corona virus disease pandemic. The effect of vaccination on the preservation of the workforce has also been noticed.6Prospective cohorts of health care personnel first responder, and other essential and frontline worker over 13 weeks in eight U.S. location confirmed that authorized mRNA COVID-19 vaccines (Pfizer-BioNTech’s BNT162b2 and moderna’s mRNA-1273) are highly effective in real world conditions [7].
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