Covid-19 Vaccination: A Bird’s Eye View

Abstract

Covid-19 pandemic plagued this world since the beginning of 2020 AD. It is caused by a new positive-strand RNA virus of coronaviridae family [1]. It causes Coronavirus disease 2019 (hence the name COVID-19). It is a contagious disease predominantly causes severe acute respiratory syndrome, hence the name SARS-CoV-2. It started from Wuhan, China, in December 2019. Since then, it has spread globally. It is reported to be a new virus therefore it’s properties, pathogenesis, virulence, immunogenicity, variants, and how will host body will react to this virus was unknown. Despite of 22 months since this virus started to spread worldwide, researchers and clinicians continued to learn about it on daily basis. Newer information about it poured in daily in scientific journals as well as in print / electronic media. Mostly, newer information continued to negate earlier information. Social media disinformation continued to confuse the masses.