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Review of Different Vaccines and Vaccination Campaings against COVID around the Globe and India | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Review of Different Vaccines and Vaccination Campaings against COVID around the Globe and India

Author(s): Jahanvi Goyal, Swaroopa Chakole

Abstract

Background: Corona virus is caused by beta variant of corona virus occurred as an unexpected breakout from the city of
Wuhan, spreading across borders in no time. A large number of measures like imposing strict curfews, lockdowns, avoidance
of public gatherings, home isolation, quarantine etc. have been imposed in the nation to curb the disease transmission, but
none of the measures were enough to stop the viral transmission. The only efficient measure to stop the transmission of
virus is developing herd immunity by the use of vaccines. As known from the past experiences vaccines take a long time to
get approval, but many COVID vaccines have received emergency approval for public use.
Summary: Vaccines, by creating herd immunity in the population, are the most efficient strategy of limiting the epidemic.
Vaccines are the most cost-effective method of preventing infection transmission. Vaccine development typically takes
several years, however due to significant mortality; numerous vaccines against COVID-19 have obtained emergency
approval.
Conclusion: Most of the vaccines developed today or in trial aim at targeting the S protein or the RBD region. There has been
remarkable success in development of COVID-19 vaccine since the registration of first case on January 10-2020. Mortality
and morbidity associated with the disease are increasing day by day and hence temporary measures like lockdown and
stay-at-home strategy would not suffice for long. A large number of vaccination campaigns have been launched around the
globe. They aim at reducing the incidence of the disease and henceforth the associated mortality

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