The active cases have increased to 37,10,525 comprising 15.65 per cent of the total infections. The national COVID-19 recovery rate has improved to 83.26 per cent, the data updated at 8 am showed.

India reported the lowest daily new coronavirus infections in 50 days with 1,52,734 cases, taking the tally to 2,80,47,534 on Monday, while the active caseload declined to 20,26,092, the Health Ministry said.

The toll climbed to 3,29,100 with 3,128 more fatalities, according to the ministry data.

The daily test positivity rate was recorded at 9.07 per cent, less than 10 per cent for the seventh consecutive day. Weekly positivity rate has declined to 9.04 per cent, the ministry said.

As many as 16,83,135 samples were tested on Sunday, taking the total tests to 34,48,66,883, it said.

The active cases have reduced to 20,26,092, comprising 7.22 per cent of the total infections, while the recovery rate has improved to 91.60 per cent.

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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The number of people who have recuperated from the disease surged to 2,56,92,342, while the case fatality rate stands at 1.17 per cent, the ministry added.

Coronavirus update: India reports lowest daily COVID-19 cases in 50 days

The toll climbed to 3,29,100 with 3,128 more fatalities, according to the ministry data.

The active cases have increased to 37,10,525 comprising 15.65 per cent of the total infections. The national COVID-19 recovery rate has improved to 83.26 per cent, the data updated at 8 am showed.