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Kerala registers 19,653 fresh COVID cases, 152 deaths

As many as 1,13,295 samples were tested in the last 24 hours, the release said.

September 19, 2021 / 07:12 PM IST
Representative image

Representative image

Kerala on Sunday reported 19,653 fresh COVID-19 cases and 152 deaths, which took the caseload to 45,08,493 and fatalities to 23,591 till date.

The number of people who recovered from the infection since Saturday was 26,711 which brought the total recoveries to 43,10,674 and the number of active cases to 1,73,631, an official press release said.

As many as 1,13,295 samples were tested in the last 24 hours, the release said.

Of the 14 districts, Ernakulam recorded the highest with 2,810 cases followed by Thrissur (2,620), Thiruvananthapuram (2,105), Kozhikode (1,957), Palakkad (1,593), Kollam (1,392), Malappuram (1,387), Kottayam (1,288) and Alappuzha (1,270), it said.

Of the new cases, 84 were health workers, 105 from outside the State and 18,657 infected through contact with the source of it not clear in 807 cases.

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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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There are currently 5,12,854 people under surveillance in various districts, of whom 4,87,587 are in home or institutional quarantine and 25,267 in hospitals.

Follow our full coverage of the coronavirus pandemic here.
PTI
first published: Sep 19, 2021 07:12 pm

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