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Mumbai gets 1.5 lakh Covishield vaccines, oxygen supply normal: BMC Chief I S Chahal

Chahal said that Covaxin will be available only at select centres for the second dose due to 'extremely limited' existing stock.

April 25, 2021 / 08:24 PM IST

The Brihanmumbai Municipal Corporation (BMC) on Sunday said it has received 1.5 lakh Covishield vaccines and all the vaccination centres in the city will be functional on April 26.

Earlier this month, 75 of the 120 vaccination centres across Mumbai, including a jumbo COVID-19 facility in business district BKC, had suspended inoculation due to a shortage of doses.

"We have received a stock of 1.5 lakh Covishield vaccines today. All the vaccination centres in Mumbai shall be functional tomorrow," municipal commissioner I S Chahal said.

He said that Covaxin will be available only at select centres for the second dose due to "extremely limited" existing stock.

Chahal said that all the issues relating to oxygen supply under the municipal corporation stand resolved now.

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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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"The oxygen supply situation is normal," he said.

On April 24, 44,719 persons were administered vaccine doses in Mumbai and a total of 22,57,118 people have been vaccinated so far.

Mumbai had on Saturday recorded 5,888 new COVID-19 cases, the lowest daily rise in infections since March 30.

Increased testing and isolation of patients alongwith the exodus of migrant labourers may have led to the decline, officials had said.

Follow our full coverage of the coronavirus pandemic here.
PTI

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