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Mumbai logs 454 new COVID-19 cases; 5 die

Mumbai is now left with 4,676 active cases after 580 patients were discharged during the day, taking the total number of recoveries to 7,17,521, the Brihanmumbai Municipal Corporation (BMC) official said.

September 25, 2021 / 09:49 PM IST
PTI

PTI

The financial capital on Saturday reported 454 new coronavirus positive cases and five fatalities, taking the tally to 7,40,761 and the toll to 16,079 while 580 patients recovered, a city civic body official said.

The number of infections in Mumbai remained above 400 on the fourth consecutive day. The city had reported 446 COVID-19 cases and six fatalities the day before.

Mumbai is now left with 4,676 active cases after 580 patients were discharged during the day, taking the total number of recoveries to 7,17,521, the Brihanmumbai Municipal Corporation (BMC) official said.

With 40,911 new tests, the number of samples tested in Mumbai so far climbed to 101,77,774.

The number of sealed buildings in Mumbai now stands at 51.

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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 first containment zone was added in slums and chawls in Mumbai since mid-August in the E civic ward. There are around 100 households under the zone. The BMC seals buildings or declares an area a containment zone if at least five patients test positive for coronavirus.

Mumbai's average recovery rate is 97 per cent while the average doubling rate of cases has dipped to 1,195 days.

The average growth rate of cases was 0.06 per cent for the period between September 18 to September 24, the official said.

Follow our full coverage of the coronavirus pandemic here.
PTI
first published: Sep 25, 2021 09:45 pm

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