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PM Modi speaks to Maharashtra CM Uddhav Thackeray on COVID-19 situation in state

PM Modi has been interacting with chief ministers over telephone for the last couple of days to take stock of the pandemic situation in their states.

May 08, 2021 / 01:20 PM IST

Prime Minister Narendra Modi on Saturday spoke to Maharashtra Chief Minister Uddhav Thackeray on the COVID-19 situation in the state.

PM Modi has been interacting with chief ministers over telephone for the last couple of days to take stock of the pandemic situation in their states.

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Maharashtra has been the worst-affected state during the second wave of the COVID-19 infections. Though some of its cities, including Mumbai, have seen consistent improvement, the situation in many parts of the state remains of concern.

The state recorded over 54,000 new cases of COVID-19 in a day, according to the the latest update.

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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 8, 2021 01:19 pm

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