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COVID-19: Mumbai reports 664 new cases, nine deaths

In the last 24 hours, 31,944 coronavirus tests were conducted, taking the total of samples tested in the city to 73,85,681, the BMC said.

July 07, 2021 / 09:34 PM IST


Mumbai recorded 664 new coronavirus cases and nine deaths on Wednesday which took the city's caseload to 7,26,284 and death toll to 15,573, the civic body said.

The city had reported 489 and 453 new infections on Monday and Tuesday, respectively.

With 744 patients being discharged from hospitals during the day, the number of recovered patients rose to 7,00,567, while the rate of recovery stood at 96 per cent, the Brihanmumbai Municipal Corporation said.

Presently Mumbai has 7,816 active COVID-19 patients.

In the last 24 hours, 31,944 coronavirus tests were conducted, taking the total of samples tested in the city to 73,85,681, the BMC said.


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 BMC, Mumbai's average doubling rate of COVID-19 cases is now 844 days, while the average growth rate of cases between July 1 to July 6 was 0.08 per cent.

As many as 68 buildings are currently sealed and there are 13 containment zones in slums and chawls.

Follow our full coverage of the coronavirus pandemic here.

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