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Coronavirus pandemic | 9 returnees from Iran at Army quarantine facility in Rajasthan test positive for COVID-19

Rajasthan is under lockdown since March 22 and massive survey and screening is underway, officials said.

March 31, 2020 / 04:03 PM IST

Nine people at a quarantine facility being run by the Indian Army in Rajasthan's Jaisalmer have tested positive for coronavirus, NDTV has reported.

There are over 484 people who were flown back from Iran at the facility. They were being tested since their quarantine period was coming to an end, but officials said that no one will be allowed to leave the facility at this point.

Iran is one of the worst affected countries in the world, with more than 40,000 cases and over 2,000 virus-related deaths reported from the country.

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Earlier, four persons had tested positive for coronavirus in Rajasthan taking the total number of COVID-19 cases in the state to 83.

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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Rajasthan is under lockdown since March 22 and massive survey and screening is underway, officials said.

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first published: Mar 31, 2020 04:03 pm