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India records 893 active coronavirus cases

No new COVID-19 deaths have been reported in a span of 24 hours, the data updated by the Union Health Ministry at 8 am stated.

February 19, 2024 / 16:55 IST
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The number of daily cases had dropped to double-digits till December 5, 2023, but cases had begun to increase after the emergence of a new variant

India has logged 110 new cases of COVID-19, while the number of active cases of the infection stood at 893, according to the Union Health Ministry data updated on Monday. No new deaths have been reported in 24 hours, the data updated at 8 am stated.

The number of daily cases had dropped to double-digits till December 5, 2023, but cases had begun to increase after the emergence of a new variant and cold weather conditions. After December 5, a maximum of 841 new cases were reported on December 31, 2023, which is 0.2 percent of the peak cases reported in May 2021.

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India has witnessed three waves of COVID-19 in the past with the peak incidence of daily new cases and deaths being reported during the Delta wave in April-June 2021. At its peak, 4,14,188 new cases and 3,915 deaths were reported on May 7, 2021.

Since the pandemic began in early 2020, more than 4.5 crore people have been infected and over 5.3 lakh deaths recorded.

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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first published: Feb 19, 2024 03:22 pm

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