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HomeNewsTrendsHealthNo mix-and-match, precautionary dose same as Covid vaccine previously given: Govt

No mix-and-match, precautionary dose same as Covid vaccine previously given: Govt

Those who have received Covaxin will receive Covaxin, those who have received primary two doses of Covishield will receive Covishield, NITI Aayog Member (Health) Dr VK Paul said

January 05, 2022 / 17:26 IST

The "precautionary" or the third dose to be administered to eligible beneficiaries from January 1o will be of the same COVID-19 vaccine as the first two doses, the government said on January 5.

"Precautionary COVID-19 vaccine dose will be the same vaccine as has been given previously. Those who have received Covaxin will receive Covaxin, those who have received primary two doses of Covishield will receive Covishield," NITI Aayog Member (Health) Dr VK Paul said, during the Union health ministry's press briefing.

The clarification comes as reports suggested that the government may permit mix-and-match use of vaccines for precautionary doses.

Catch all Coronavirus Omicron India LIVE Updates here

The precautionary doses will be administered to healthcare and other frontline workers along with those aged 60 and above with comorbidities from next 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 decision to administer the third dose was taken amid an uptick in COVID-19 cases across the nation. The fresh spike is considered to have been triggered by the highly contagious Omicron variant of coronavirus.

The country's daily infection count touched 58,097 on January 5, marking a 55 percent jump as compared to the previous day. A total of 534 deaths due to COVID-19 were recorded in this period.

Also Read | First death linked to Omicron variant reported in Rajasthan

“India has reported a more than 6.3 times increase in cases in the last eight days. A sharp increase seen in case positivity from 0.79 per cent on December 29, 2021 to 5.03 per cent on January 5,” Lav Agarwal, joint secretary in Ministry of Health said during the press conference.

The official tally of Omicron cases increased to 2,153. However, the actual spread of infections caused by the new variant is believed to be higher as only a small fraction of samples obtained from COVID-19 patients are sent for genome sequencing.

Overall, the country's active caseload has risen from 77,000 to 2.14 lakh within a week, the health ministry officials said.

Moneycontrol News
first published: Jan 5, 2022 05:12 pm

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