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Coronavirus Essential podcast | Preparations begin for return to normalcy, focus on return of migrants to hometowns

Tune in to Coronavirus Essential with Shraddha Sharma to get the top details of the pandemic today.

April 30, 2020 / 06:49 PM IST

The death toll from the novel coronavirus outbreak in India has reached 1,074 and the total confirmed cases stand at 33,050.  Of these, 23,651 are active cases while 8,325 have been cured or discharged.

The Delhi and Maharashtra governments are making arrangements to bring students back home from Kota in Rajasthan. The Maharashtra government has sent 70 buses from Dhule to bring back the over 1,800 students stranded at Kota.

Indian Railways has also drafted a plan to help the movement of stranded migrants and students.

Tune in to Coronavirus Essential with Shraddha Sharma to get the top details of the pandemic today.

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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Moneycontrol News
first published: Apr 30, 2020 06:49 pm