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. 2022 Mar;21(3):355-376.
doi: 10.1080/14760584.2022.2021074. Epub 2021 Dec 28.

The race for a COVID-19 vaccine: where are we up to?

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Free article

The race for a COVID-19 vaccine: where are we up to?

Md Kamal Hossain et al. Expert Rev Vaccines. 2022 Mar.
Free article

Abstract

Introduction: A novel strain of coronavirus, SARS-CoV-2, has triggered a global pandemic of coronavirus disease (COVID-19) in late 2019. In January 2020, the WHO declared this pandemic a public health emergency. This pandemic has already caused over 5.3 million deaths from more than 272 million infections. The development of a successful vaccine is an urgent global priority to halt the spread of SARS-CoV-2 and prevent further fatalities. Researchers are fast-tracking this process, and there have already been significant developments in preclinical and clinical phases in a relatively short period of time. Some vaccines have been approved either for emergency use or mass application in recent months.

Areas covered: Herein, we provide a general understanding of the fast-tracked clinical trial procedures and highlight recent successes in preclinical and clinical trials to generate a clearer picture of the progress of COVID-19 vaccine development.

Expert opinion: A good number of vaccines have been rolled out within a short period a feat unprecedented in medical history. However, the emergence of new variants over time has appeared as a new threat, and the number of infections and casualties is still on the rise and this is going to be an ongoing battle.

Keywords: COVID-19; clinical; fast track; pandemic; preclinical; vaccine.

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