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PM Modi reviews COVID-19 situation, vaccination drive

Government sources said top officials from different ministries attended the meeting.

May 15, 2021 / 01:21 PM IST
Prime Minister Narendra Modi (File Image: PTI)

Prime Minister Narendra Modi (File Image: PTI)

Prime Minister Narendra Modi on Saturday chaired a high-level meeting on the COVID-19 situation and the ongoing vaccination drive.

Government sources said top officials from different ministries attended the meeting.

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Modi has been holding regular review meetings on the pandemic situation and taking measures as he spearheads the drive to curb the second wave of surge in infections.

India recorded 3,26,098 COVID-19 cases in the last 24 hours that took the tally to 2,43,72,907, while 3,890 new fatalities pushed the death toll to 2,66,207, according to Union health ministry data updated on Saturday.

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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 15, 2021 01:21 pm

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