Delhi records 95 new COVID-19 cases, one more death in last 24 hours

The new cases were detected from the 9,742 tests conducted the previous day, the department said in its latest bulletin

PTI

September 18, 2022 / 21:28 IST

(Image: AP)

Delhi on Sunday recorded 95 fresh COVID-19 cases with a positivity rate of 0.97 per cent and one fatality due to the infection, according to the data shared by the city health department.

The new cases were detected from the 9,742 tests conducted the previous day, the department said in its latest bulletin.

With the new cases, Delhi's COVID-19 tally climbed to 20,02,452, while the death toll increased to 26,499, it said. Cases of COVID-19 in Delhi have registered a drop in the last several days.

On Saturday, the city logged 89 COVID-19 cases with a positivity rate of 0.88 per cent and one death due to the disease.

Delhi saw 123 Covid cases with a positivity rate of 1.16 per cent and zero fatality on Friday. The capital reported 116 Covid cases with a positivity rate of 0.97 per cent and three fatalities on Thursday.

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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