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Coronavirus update: Active cases increase to 1,50,055 with 14,199 new cases reported in 24 hours

The total coronavirus cases have increased to 1,10,05,850, while the death toll increased to 1,56,385 with 83 daily new fatalities, the data updated at 8 am showed.

February 22, 2021 / 10:47 AM IST
A health official wears protective gear before vaccinating people with AstraZeneca's COVID-19 vaccine manufactured by the Serum Institute of India, at Army Hospital in Colombo, Sri Lanka. (Image: Reuters)

A health official wears protective gear before vaccinating people with AstraZeneca's COVID-19 vaccine manufactured by the Serum Institute of India, at Army Hospital in Colombo, Sri Lanka. (Image: Reuters)

India's total tally of COVID-19 cases surpassed 1.10 crore with 14,199 new infections being reported in a day,while active cases registered an increase for the fifth consecutive day, according to the Union Health Ministry data updated on Monday.

The total coronavirus cases have increased to 1,10,05,850, while the death toll increased to 1,56,385 with 83 daily new fatalities, the data updated at 8 am showed.

The number of people who have recuperated from the disease surged to 1,06,99,410 which translates to a national COVID-19 recovery rate of 97.22 percent and the case fatality rate stands at 1.42 percent.

Active coronavirus infections in the country increased to 1,50,055 which comprises 1.36 percent of the total caseload, the data stated.

India's COVID-19 tally had crossed the 20-lakh mark on August 7, 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.

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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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According to the ICMR, 21,15,51,746 samples have been tested up to February 21 with 6,20,216 samples being tested on Sunday.
PTI
first published: Feb 22, 2021 10:34 am

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