Coronavirus Daily Update: COVID-19 cases explained in charts

India reported more than 22,000 new COVID-19 cases on March 11 for the previous 24 hours. Active cases in the country increased to 1.89 lakh. However, over 2.56 crore beneficiaries have been been administered the vaccine so far.

Chaitanya Mallapur

March 11, 2021 / 11:47 AM IST

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As many as 22,854 new COVID-19 cases were reported (highest in last 76 days) in India, taking the country's tally above 1.12 crore, according to the Union Health Ministry’s March 11, 2021 update.

India reported 126 new deaths and 18,100 new recoveries in the previous 24-hour period, the latest numbers showed. As many as 2.56 crore beneficiaries have been administered the COVID-19 vaccine across India according to the March 11 update.

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Active cases rose to 1.89 lakh with an increase of 4,628 cases on March 11. Maharashtra reported the most (over 1 lakh or 53 percent) active cases in the country, followed by Kerala (35,715) and Punjab (9,402).

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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