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Coronavirus Essential podcast | No need to keep middle seats vacant, rules SC, international flights suspended until July 15

Tune in to Coronavirus Essential with Sakshi Batra for the top news on the pandemic.

June 26, 2020 / 07:11 PM IST

A record spike in the number of COVID-19 cases in Maharashtra, Tamil Nadu and Andhra Pradesh on June 25 has triggered the sharpest single-day spike of close to 17,000 infections in the country.

With respect to international flights, Directorate General of Civil Aviation (DGCA) announced that they will be suspended till July 15.

In the cases regarding seating arrangement in flights, the Supreme Court on June 26 said there is no need to keep the middle seat vacant, as adequate safety measures have been deployed.

Tune in to Coronavirus Essential with Sakshi Batra for the top news on the pandemic.

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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first published: Jun 26, 2020 07:11 pm

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