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Active Covid cases decline to 43,994

A decline of 442 cases has been recorded in the active COVID-19 caseload in a span of 24 hours.

September 25, 2022 / 10:12 IST
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Representative Image

With 4,777 new coronavirus infections being reported in a day, India’s total tally of COVID-19 cases rose to 4,45,68,114, while the active cases declined to 43,994, according to the Union Health Ministry data updated on Sunday.

The death toll climbed to 5,28,510 with 23 fatalities which includes 11 deaths reconciled by Kerala, the data updated at 8 am stated.

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The active cases comprise 0.10 per cent of the total infections, while the national COVID-19 recovery rate increased to 98.72 per cent, the ministry said.

A decline of 442 cases has been recorded in the active COVID-19 caseload in a span of 24 hours.

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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