The world has been struggling with the outbreak of Covid- 19 virus for past 21 months. It is a severe acute respiratory
syndrome caused by a highly transmissible novel coronavirus. Every country, including India adopted certain measures to
combat the pandemic, like announcing lockdown in phases. India has been severely struck by the Covid pandemic. In fact, the
third wave of Covid has already knocked in. The development of vaccines against the Covid virus helped the world heal.
Different countries are testing the Covid vaccine candidates. The world’s largest vaccination drive started in India on January
16, 2021.
