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HomeNewsTrendsExpert ColumnsCoronavirus pandemic: You and I can make a positive difference; time for ISR is now

Coronavirus pandemic: You and I can make a positive difference; time for ISR is now

As medics risk their lives manning patients to save lives, it is time for the citizens to rise to the challenge and shoulder responsibility.

March 25, 2020 / 14:15 IST
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Rakesh Khar 

These are unprecedented times! And whenever we have such unforeseen challenges imposed on us, we have recorded two extreme responses from the side of humanity. Either it has brought out the worst from within us or spurred the virtue to overwhelm the vice.

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The coronavirus has paused humanity to think and ponder. While staying at home is billed to be the ultimate panacea for all ills, it is time to look at fatalities that will be caused even after the virus bites the dust.

As medics risk their lives manning patients to save lives, it is time for the citizens to rise to the challenge and shoulder responsibility.

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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