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Delhi records 331 COVID cases, highest daily count since June 9; positivity rate jumps to 0.68%

The death toll due to the coronavirus infection in Delhi rose to 25,106.

December 27, 2021 / 05:04 PM IST
Representative image

Representative image

Delhi on Monday recorded 331 fresh Covid-19 cases, the highest single-day rise since June 9, and one death while the positivity rate mounted to 0.68 per cent, according to data shared by the city health department.

The death toll due to the coronavirus infection in Delhi rose to 25,106.

On Sunday, Delhi recorded 290 cases with a positivity rate of 0.55 per cent and one fatality, according to official figures.

On Saturday and Friday, the daily case counts had stood at 249 and 180 cases respectively.

On Monday, it jumped to 331 cases with a positivity rate of 0.68 per cent, according to the latest health bulletin.


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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This rise is the highest since June 9 when 337 cases were logged with a positivity rate of 0.46 per cent, while 36 deaths were also recorded on that day.

The number of cumulative cases on Monday stood at 14,43,683. Over 14.17 lakh patients have recovered from the infection.

The spike in fresh cases in the last few days is being recorded amid a jump in cases of new Omicron variant of the coronavirus.

Seven Covid-19 deaths were reported here in November this year, according to official data.

Delhi had recorded four Covid deaths in October and five in September.

A total of 48,589 tests — 46,549 RT-PCR tests and 2,040 rapid antigen tests—were conducted a day ago, the bulletin said.
first published: Dec 27, 2021 05:03 pm
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