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Omicron: Maharashtra records maximum number of cases, India's total tally at 653

Maharashtra recorded the maximum number of 167 cases followed by Delhi at 165, Kerala 57, Telangana 55, Gujarat 49 and Rajasthan 46.

December 28, 2021 / 10:27 AM IST

India has logged 653 cases of the Omicron variant of coronavirus across 21 states and UTs so far out of which 186 have recovered or migrated, according to the Union Health Ministry data updated on Tuesday.

Maharashtra recorded the maximum number of 167 cases followed by Delhi at 165, Kerala 57, Telangana 55, Gujarat 49 and Rajasthan 46.

With 6,358 people testing positive for coronavirus infections in a day, India’s total tally of COVID-19 cases rose to 3,47,99,691. The active cases have declined to 75,456, according to the data updated at 8 am.

The death toll has climbed to 4,80,290 with 293 fresh fatalities, the data stated. The daily rise in new coronavirus infections has been recorded below 15,000 for the last 61 days now.

The active cases have declined to 75,456 comprising 0.22 per cent of the total infections, the lowest since March 2020, while the national COVID-19 recovery rate was recorded at 98.40 per cent, the highest since March 2020, the ministry 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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A decrease of 385 cases has been recorded in the active COVID-19 caseload in a span of 24 hours. India’s COVID-19 tally had crossed the 20-lakh mark on August 7, 2020, 30 lakh on August 23, 40 lakh on September 5 and 50 lakh on September 16.

It went past 60 lakh on September 28, 70 lakh on October 11, crossed 80 lakh on October 29, 90 lakh on November 20 and surpassed the one-crore mark on December 19. India crossed the grim milestone of two crore on May 4 and three crore on June 23.

(With PTI inputs)
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first published: Dec 28, 2021 10:30 am
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