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Highest spike of 1,295 new COVID-19 cases in Delhi takes total to over 19,000; death toll rises to 473

The previous single-ay highest spike of 1,163 fresh cases was recorded on May 30.

May 31, 2020 / 06:50 PM IST

Delhi recorded its highest single-day spike of 1,295 fresh COVID-19 cases on Sunday, taking the tally to 19,844, as the death toll due to the disease mounted to 473, authorities said.

The previous single-ay highest spike of 1,163 fresh cases was recorded on May 30.

This is the first time in Delhi when more than 1,200 COVID-19 cases have been reported in a day.

In a bulletin issued on Sunday, the Delhi Health Department said the death toll due to coronavirus infection has risen to 473 and the total number of cases mounted to 19,844.

It, however, added the cumulative death figures refers to fatalities where primary cause of death was found to be COVID-19, as per the report of the Death Audit Committee on the basis of case sheets received from various hospitals.

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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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On Saturday, the total number of COVID-19 cases stood at 18,549, including 416 deaths.
PTI
first published: May 31, 2020 06:46 pm

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