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Covaxin approved for restricted emergency use in children aged 6-12 years

The regulator has asked Bharat Biotech to submit safety data, including the data on adverse event with due analysis, every 15 days for the first two months and monthly thereafter up to five months

April 26, 2022 / 13:14 IST
​ (File image: Vial of Covaxin)

​ (File image: Vial of Covaxin)


The Drugs Controller General of India (DCGI) has granted restricted emergency-use authorisation to Bharat Biotech's Covaxin for children in the 6 to 12 years age group.

 


The regulator has asked Bharat Biotech to submit safety data, including the data on adverse event with due analysis, every 15 days for the first two months and monthly thereafter up to five months.

The no objection certificate was granted to Bharat Biotech on April 25 after two-month-long deliberations on the recommendation given by the Subject Expert Committee on COVID-19 last week.

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 move on the expansion of the Covid-19 vaccine will now depend on the health ministry or the COVID working group of the National Technical Advisory Group on Immunisation.

Also Read: High immune response to COVID variants in breakthrough cases after 2 Covaxin jabs: ICMR study

Corbevax & ZyCoV-D also approved for children in different age groups

The government panel recently recommended approval of Biological E's Covid-19 vaccine Corbevax for use in children in the 5 to 12 years age group.

The DCGI has also recommended the two-dose regimen of ZyCov-D for the age group above 12 years. Last year, Zydus said it was seeking approval from the FDA for a two-dose regimen for ZyCoV-D, which has showed 66.6 percent efficacy in the interim analysis of Phase 3 clinical trials and can be stored for three months at 25 degrees Celsius.

ZyCov-D in August last year got the permission for three-dose vaccine administration in 12+ age group.

ZyCov-D (formerly known as Cadila Healthcare), developed by Gujarat-based Zydus Lifesciences, is touted as the world’s first DNA vaccine. It is administered intradermally using needle-free injection technology (NFIT).

Union Health Minister Mansukh Mandaviya announced on twitter the government's clearance for Covaxin, Corbevax and ZyCov-D jabs for children. All three vaccines are for restricted use in emergency situations, the health minister said.

As of now, all above 12 years of age are eligible for COVID vaccination in India but the government has permitted only Corbevax for the 12-14-year age group under the nationwide COVID vaccination programme.

Also Read: New COVID-19 vaccine offers better protection to immunocompromised patients: Study

Bharat Biotech had applied for approval if its vaccine for 2-12-year age group but the Central Drug Standard Control Organisation's SEC had recommended its approval only for 6-12-year age group for now.

Moneycontrol News
first published: Apr 26, 2022 01:02 pm

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