HomeNewsIndiaCoronavirus Daily Update: COVID-19 cases explained in charts

Coronavirus Daily Update: COVID-19 cases explained in charts

India reported more than 24,000 COVID-19 new cases on March 16. Active cases rose to 2.23 lakh mark. Over 3.29 crore vaccinations administered till date.

March 16, 2021 / 12:06 IST
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File image: Volunteers distribute pamphlets during an awareness campaign on the spread of COVID-19 on a street in Mumbai, India on February 22, 2021. (Image: Reuters/Niharika Kulkarni)
File image: Volunteers distribute pamphlets during an awareness campaign on the spread of COVID-19 on a street in Mumbai, India on February 22, 2021. (Image: Reuters/Niharika Kulkarni)

As many as 24,492 new cases of novel coronavirus were reported in India, with total COVID-19 cases crossing 1.14 crore, as per the health ministry’s update for March 16, 2021.

India reported 131 new deaths and 20,191 new recoveries in the last 24 hours, as per the latest release. More than 3.29 crore vaccinations have been administered across India, according to the March 16 update, with 30,39,394 new vaccinations reported in a day, the highest so far. 

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Of the 30 lakh vaccinations in the last 24 hours, 86 percent or over 26 lakh were administered their first dose while 14 percent received their second jab.

Active cases rose to 2,23,432 with an increase of 4,170 cases on March 16. Maharashtra now has the most active cases in the country at 1,31,812 or 59 percent, followed by Kerala (27,357) and Punjab (11,942).

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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