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HomeNewsTrendsHealthOxford-AstraZeneca vaccine: Serum Institute chief says India could approve emergency use by December 2020

Oxford-AstraZeneca vaccine: Serum Institute chief says India could approve emergency use by December 2020

Adar Poonawalla, CEO of the world's largest vaccine makers by volume, expects India to have around 400 million doses of Covishield by July 2021.

November 24, 2020 / 11:32 IST
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Serum Institute of India can supply around 100 million doses of Oxford-AstraZeneca COVID-19 vaccine per month, CEO Adar Poonawalla has said. By July 2021, India could have around up to 400 million doses of Covishield, he added.

Speaking to CNBC TV18, SII CEO said India could approve emergency use of the COVID-19 vaccine by December 2020. Once cleared, the vaccine will be used to protect priority beneficiaries identified by the Centre, including frontline healthcare workers and elderly, he said.

Poonawalla's comments came shortly after AstraZeneca on November 23 said its vaccine could be up to 90% effective, giving the world's fight against the pandemic a new weapon, cheaper to make, easier to distribute and faster to scale up than rivals.

"SII is hoping the data released earlier, along with preliminary data from the ongoing trial of the vaccine in India, will allow it to seek emergency use authorisation for the vaccine by year-end, before gaining approval for a full rollout by February or March next year," said Poonawalla.

Read: Why AstraZeneca-Oxford COVID vaccine is best suited for India over Pfizer, Moderna shots

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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Speaking on the efficacy, he said, "There were zero hospitalisations in the group that was vaccinated and which means that the vaccine is very effective."

Poonawalla also said the Oxford vaccine is affordable, safe and stored at a temperature of two to eight degrees Celsius, which is an ideal temperature for it to be stored in the cold storages of India.

Read: Serum Institute to focus on supplying coronavirus drug to India first

He said the vaccine in the Indian private market would be priced at 1,000 rupees per dose ($13.50), but that governments signing large supply deals would likely buy it at lower prices.

The Serum Institute of India, the world's largest vaccine maker by volume, has partnered with AstraZeneca, the Gates Foundation and the Gavi Alliance to produce more than a billion doses of the vaccine for global supply. 40 million of those doses are already manufactured and the distribution will begin once regulatory approval comes in.

Click here for all the latest updates on COVID-19 vaccine

Five vaccines are under different phases of clinical trials in India. The Serum Institute of India is conducting the phase-three trial of the Oxford-AstraZeneca COVID-19 vaccine, while Bharat Biotech and ICMR have already started the phase-three trial of the indigenously developed COVAXIN jab.

An indigenously developed vaccine by Zydus Cadila has completed the phase-two clinical trial in the country. Dr Reddy's Laboratories will soon start combining phase two and three trials of the Russian COVID-19 vaccine Sputnik V in India.

Click here for Moneycontrol's full coverage of the COVID-19 outbreak

Moneycontrol News
first published: Nov 24, 2020 10:10 am

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