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In charts | India’s COVID-19 case count, state-wise trends, vaccination data, and other key details

India reported 13,451 COVID-19 new cases, according to the October 27 update. Active infections down at 1.62 lakh mark; Over 55 lakh vaccine doses administered on Tuesday, with more than 103 crore doses administered till date.

October 27, 2021 / 10:49 IST
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India’s COVID-19 case tally is above 3.42 crore with 13,451 new cases reported, as per the health ministry’s October 27 update. New cases below 20,000 for the 19th day. As many as 585 new deaths were reported in the last 24 hours with 14,021 new recoveries in the same period, the latest release showed.

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India has 1,62,661 active cases (lowest in 242 days), down by 1,155 cases in 24 hours, as per the October 27 update. Kerala and Maharashtra account for nearly 62 percent of active cases in the country. The recovery rate is currently at 98.19 percent; the highest since March 2020.

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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