Comparison Between COVID-19 Vaccines Developed by Different Pharmaceuticals: A Short review

Abstract

Background: Coronavirus declared pandemic by the world health organization in the mid of March 2020, as it caused massive havocs on human health physically, mentally, socially and economically. Objectives: To find the Comparison between the effectivity of different COVID-19 Vaccines. Methods: In order to compare the COVID-19 vaccines, this review analyzed all articles published during 2020 to 2021 in both Local and foreign journals. The main question of this paper was to compare the effectivity of Vaccines used for COVID-19. To answer this question, different keywords “COVID-19’’, “Vaccine’’, “Coronavirus’’, “SARS-cov-1”, “Pfizer”, AstraZeneca”, “Moderna”, and Pakistan separately and combined were searched in different electronic databases CINAHL, PubMed, HEC digital library, and eMedicine. The articles inclusion criteria were the Vaccines used for COVID-19 and full text available. Articles with copyright and lacking the full text were excluded. In the screening step, 51 articles were selected after review of abstract, according to criteria and duplicate articles removed. In last step, seven articles were selected for the final analysis. Results: The results demonstrated that Pfizer is the most suitable vaccine against corona virus, its efficiency is 95%. Modern is 94.1% effective against coronavirus, Sputnik V is 92% effective, Johnson & Johnson is 86% effective, Sinovac is 79% and AstraZeneca is 70% effective against coronavirus. Conclusion: This review study concluded that multiple pharmaceuticals working impressively to develop the vaccine for coronavirus, some of them have worked so well and achieved very desirable results which are helping humans to sustain their normal life.