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PM Modi to visit Zydus Cadila's COVID-19 vaccine development centre in Gujarat on November 28

An official said that the prime minister is likely to arrive at the plant around 9.30 am.

November 27, 2020 / 03:07 PM IST

Prime Minister Narendra Modi will visit pharma major Zydus Cadila’s plant near Ahmedabad Saturday to get information about the development of its COVID-19 vaccine, Gujarat Deputy Chief Minister Nitin Patel said on Friday.

Zydus Cadila’s plant is situated at Changodar industrial area near Ahmedabad city.

The drug maker had earlier announced that the phase-I clinical trial of its COVID-19 vaccine candidate, ZyCoV-D, has been completed and it has commenced phase-II clinical trials from August.

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"PM Narendra Modi will be on a brief visit of Gujarat on Saturday, during which, he will visit Zydus Cadila’s facility to get first-hand information about the progress made by the company so far in terms of development of vaccine against coronavirus,” Patel said.

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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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An official said that the prime minister is likely to arrive at the plant around 9.30 am.

From Ahmedabad, PM Modi is expected to visit Pune-based Serum Institute of India (SII), which has partnered with global pharma giant AstraZeneca and the Oxford University for a COVID-19 vaccine.

Follow our full coverage of the coronavirus pandemic here.
PTI
first published: Nov 27, 2020 03:06 pm

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