covid-19 vaccine: India readies to fight Covid-19 with vaccine, but immunising a huge population will be an uphill task

With the novel coronavirus disrupting everyday lives and taking a toll on the country’s healthcare system, hopes are pinned on getting a vaccine soon to tide over the crisis. To be sure, development of Covid-19 vaccines is progressing at an unprecedented pace with 31 candidates already in clinical trials within seven months of the outbreak. If all goes well, the world may get a Covid-19 vaccine sometime in the first half of 2021. Although