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Kerala reports 16,848 new COVID-19 cases, test positivity rate rises close to 12%

As many as 12,052 people have been cured of the infection, taking the total recoveries to 30,45,310 and the number of active cases to 1,26,398, the release said.

July 20, 2021 / 08:43 PM IST
Representative image

Representative image

Kerala on Tuesday recorded 16,848 fresh COVID-19 cases, pushing the infection caseload to 31,87,716, with the Test Positivity Rate (TPR) climbing close to 12 per cent after remaining around the 10 per cent mark for several weeks.

The number of people who have succumbed to the virus rose to 15,512 with 104 more deaths, a state government release said.

As many as 12,052 people have been cured of the infection, taking the total recoveries to 30,45,310 and the number of active cases to 1,26,398, the release said.

Malappuram accounted for most number of cases (2752), followed by Thrissur (1929), Ernakulam (1901), Kozhikode (1689), Kollam (1556), Palakkad (1237), Kottayam (1101) and Thiruvananthapuram (1055).

Of the new cases, 109 are health workers, 101 had come from outside the state and 15,855 were infected through contact, with the source of contact being not clear in 783 cases, the release said.


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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In the last 24 hours,1,41,431 samples were tested and the Test Positivity Rate (TPR) was found to be 11.91 per cent.

The cumulative number of specimens examined so far is 2,55,72,679. There are currently 4,05,178 people under surveillance in various districts of the state. Of these, 3,80,426 are in home or institutional quarantine and 24,752 in hospitals.

Follow our full coverage of the coronavirus pandemic here.
first published: Jul 20, 2021 08:42 pm

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