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Last Updated : Aug 13, 2020 09:27 PM IST | Source: Moneycontrol.com

Coronavirus Essential podcast | India to create nationwide network for vaccine distribution; country's single-day cases jump by 67,000

Sakshi Batra gives the latest news on the COVID-19 pandemic.

The Indian government has said that a centralised system will be created to make the COVID-19 vaccines available across India. The system will be designed by the National Expert Group on Vaccine Administration.

Meanwhile, India registered highest single-day spike in the number of coronavirus cases on August 13 by 67,000.


In this episode of the Coronavirus Essential, host Sakshi Batra gives the latest news on the COVID-19 pandemic.

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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First Published on Aug 13, 2020 06:57 pm