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Bharat Biotech urges Centre to include its intranasal COVID vaccine in CoWIN portal

Currently, Bharat Biotech's Covaxin, Serum Institute's Covishield and Covovax, Russian Sputink V and Biological E Ltd's Corbevax are listed in the CoWin portal.

December 11, 2022 / 11:39 IST
(Representative image: Reuters)

(Representative image: Reuters)

Bharat Biotech has requested the central government to include its intranasal COVID-19 vaccine iNCOVACC, in CoWIN portal to enable the recipients of the jab to get vaccination certificate.

The company sources said Bharat Biotech is currently holding discussions with international 'potential partners' who have approached the company for manufacturing and distribution of the intranasal vaccine globally.

Since iNCOVACC has been approved for 'Restricted use under emergency situation' and vaccine recipients will require vaccine certificates, we have requested the government to include iNCOVACC in the COWIN portal.

Once this is enabled, India will be one of the few countries to have introduced an intranasal vaccine in its immunization program against COVID, the sources told PTI.

Currently, Bharat Biotech's Covaxin, Serum Institute's Covishield and Covovax, Russian Sputink V and Biological E Ltd's Corbevax are listed in the CoWin portal.

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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The vaccine maker on September 6 announced that its iNCOVACC (BBV154), world's first intranasal COVID-19 vaccine has received approval from Drugs Controller General of India under Restricted Use in Emergency Situation for ages 18 and above.

"There have been no requests for procurement from state or central governments," sources further said.

The city-based vaccine maker also plans to export iNCOVACC to other countries once it gets approvals from the respective nations, sources added. iNCOVACC (BBV154) has also received approval from the Central Drugs Standard Control Organisation (CDSCO) under Restricted Use in Emergency Situation for ages 18 and above in India, for heterologous booster doses.

The vaccine was developed in partnership with Washington University, St Louis, which had designed and developed the recombinant adenoviral vectored construct and evaluated it during pre-clinical studies for efficacy.

The vaccine candidate underwent Phases I, II and III clinical trials with successful results and has been specifically formulated to allow intranasal delivery through nasal drops. Phase-III trials were conducted for safety, immunogenicity in approximately 3,100 subjects, at 14 trial sites across India.

PTI
first published: Dec 11, 2022 11:39 am

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