Written by Abhishek De, edited by Explained Desk | New Delhi | Updated: October 21, 2020 2:10:25 pm A health worker takes a swab sample for Covid-19 testing in New Delhi (Express photo by Praveen Khanna) We can have a Covid-19 vaccine for this year itself, with some eight candidates …
Read More »Why the storage and distribution of Covid-19 vaccines will be the next challenge
