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Over 102 crore COVID-19 vaccine doses provided to states, UTs: Centre

Over 10.72 crore balance and unutilised COVID-19 vaccine doses are still available with the states and UTs to be administered, it said.

October 18, 2021 / 03:36 PM IST
Shots developed by Pfizer and Moderna were the first mRNA COVID-19 vaccines to be rolled out in the world. (Representative image)

Shots developed by Pfizer and Moderna were the first mRNA COVID-19 vaccines to be rolled out in the world. (Representative image)


More than 102 crore COVID-19 vaccine doses have been provided to states and union territories so far, the Union Health Ministry said on Monday.

Over 10.72 crore balance and unutilised COVID-19 vaccine doses are still available with the states and UTs to be administered, it said.


The Centre is committed to accelerating the pace and expanding the scope of COVID-19 vaccination throughout the country.

The vaccination drive has been ramped up through availability of more vaccines, advance visibility of vaccine availability to states and UTs for enabling better planning by them, and streamlining the vaccine supply chain, the ministry said.

As part of the nationwide vaccination drive, the Centre has been supporting the states and UTs by providing them COVID-19 vaccines free of cost.

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COVID-19 Vaccine

Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.

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PTI
first published: Oct 18, 2021 03:38 pm

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