Mirage of Waning Immunity against SARS CoV-2

A deadly pneumonia outbreak of unknown etiology emerged in Wuhan, China in December, 2019, which soon gripped whole of the world and was subsequently declared as 'first ever pandemic caused by any coronavirus till date' by World Health Organization. The agent responsible for this apocalpse was identified as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the infection was officially named as coronavirus disease (COVID-19).