India to reach 100-crore Covid vaccination mark next week: Mandaviya
India | Oct 16, 2021, 07:08 PM ISTThe minister said while it takes 5-10 years to test and develop vaccines, India has researched and developed an in-house vaccine, and to add to the complex manufacturing, the humongous logistics involving setting up cold chains, airport transfers, delivery to states, local storage and last-mile connectivity were set up in no time.