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COVID-19 vaccination for all begins on May 1, registration starts from April 28 — here is all you need to know

States can now directly procure additional vaccine doses from the manufacturers and open up COVID-19 vaccination for any person aged above 18 years.

April 28, 2021 / 07:15 IST
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The third phase of India's vaccination drive, which lists all aged above 18 as eligible beneficiaries, would begin from May 1 onwards. The registration for the vaccines - which is mandatory through CoWin portal or Aarogya Setu app - will start on April 28.

Union Health Minister Dr Harsh Vardhan appealed the people via social media to register themselves for the immunisation drive.

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"Calling all citizens aged 18+ to gear up to get vaccinated against COVID-19 May 1 onwards. Registrations open up tomorrow, Apr 28 (sic)," he tweeted.

Here are all the key details you need to know:

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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As all persons aged above 18 years will be eligible to get vaccinated, coronavirus vaccine makers have been incentivised to further scale up their production, as well as attract new national and international players.

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