Delhi records 1,534 COVID-19 cases, positivity rate 7.71%

The capital has logged more than 1,000 daily cases for the fifth day on the trot.

PTI

June 18, 2022 / 21:13 IST

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Delhi recorded 1,534 new Covid cases and three more deaths on Saturday, while the positivity rate stood at 7.71 per cent, according to data shared by the city health department. On Friday, the national capital had logged 1,797 coronavirus cases, the highest in nearly four months, along with one fatality while the positivity rate had stood at 8.18 per cent.

The fresh cases came out of 19,889 Covid tests conducted the previous day. This is the fourth consecutive day that Delhi has recorded over 1,300 cases in a day. The capital has logged more than 1,000 daily cases for the fifth day on the trot.

Friday's figures were the highest since February 4, when the national capital logged 2,272 cases and 20 deaths while the positivity rate had stood at 3.85 per cent.

Also, the positivity rate on Friday was the highest since January 29, when 4,044 cases were recorded with a positivity rate of 8.60 per cent, while the city had registered 25 deaths.

The national capital recorded 1,323 new Covid cases and two deaths on Thursday, while the positivity rate stood at 6.69 per cent. The fresh cases pushed Delhi's coronavirus tally to 19,20,559 while the death toll rose to 26,229, the department said in its latest bulletin.

COVID-19 Vaccine

Frequently Asked Questions

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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