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Coronavirus pandemic | 2,608 new coronavirus cases in Maharashtra, 60 deaths

The total number of cases in the state rose to 47,190 and the death toll reached 1,577, it said.

May 23, 2020 / 09:18 PM IST
Representative image

Representative image

Maharashtra reported 2,608 new coronavirus patients and 60 deaths on Saturday, the health department said.

The total number of cases in the state rose to 47,190 and the death toll reached 1,577, it said.

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About 821 patients recovered and were discharged from hospitals during the day, taking the number of recovered coronavirus patients to 13,404.

So far, 3,48,026 persons have been tested in the state, the health department added.

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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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PTI
first published: May 23, 2020 09:10 pm

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