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COVID-19: Delhi records 41 new cases, zero death

The total infection count in Delhi stands at 14,38,469. Over 14.12 lakh patients have recovered from the virus.

September 18, 2021 / 08:31 PM IST

No death due to COVID-19 was recorded in Delhi on Saturday, while 41 fresh cases were reported with a positivity rate of 0.06 per cent, according to data shared by the city health department.

The death toll due to COVID-19 in Delhi stands at 25,085.

Three Covid-related fatalities have been reported this month, one each on September 7, 16 and 17, according to official figures.

On Saturday, 41 new cases were recorded with a positivity rate of 0.06 per cent, according to the latest health bulletin.

On Friday, Delhi recorded 33 cases with a positivity rate of 0.04 per cent, and one more death.

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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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The total infection count in Delhi stands at 14,38,469. Over 14.12 lakh patients have recovered from the virus.

A total of 68,624 tests -- 46,734 RT-PCR tests and 21,890 rapid antigen tests -- were conducted a day ago, the bulletin said.

The daily case count had dropped to 17 on September 13, with no death being recorded, while the positivity rate stood at 0.04 per cent, according to official figures.

Despite a fall in daily cases in the last several days, Chief Minister Arvind Kejriwal had recently cautioned that the chances of the third wave of the COVID-19 pandemic were quite real, and asserted that his government was preparing on a "war-footing" to combat it.

Delhi had been reeling under a brutal second wave of the pandemic, claiming a massive number of lives daily, and the oxygen supply shortage issue at various hospitals had added to the woes.

Since April 19, both daily cases and single-day deaths count had been spiralling up, with over 28,000 cases and 277 deaths recorded on April 20; rising to 306 fatalities on April 22. On May 3, the city registered a record 448 deaths, according to official data.

However, the number of cases have shown a downward trend and the positivity rate too has been shrinking in the last several weeks.

Delhi Health Minister Satyendar Jain had recently said medical infrastructure was being ramped up and 37,000 beds dedicated for COVID-19 patients were being set up to tackle the anticipated third wave of the pandemic in the national capital.

The number of active cases decreased to 404 on Saturday from 407 a day before, according to the bulletin.

The number of people under home isolation was 119 on Saturday while it was 109 a day before, and the number of containment zones slightly rose to 98 on Saturday from 96 on Friday, the bulletin said.

Follow our full coverage of the coronavirus pandemic here.
PTI
first published: Sep 18, 2021 08:30 pm

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