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Coronavirus Daily Update: COVID-19 cases explained in charts

India reported over 20,000 COVID-19 new cases according to the official update, on December 30. Active cases in India continue to slide further with a fall of over 6,000 cases in a day. Recoveries above 98 lakh with a recovery rate of 96 percent, against the world average of 70.8 percent.

December 30, 2020 / 11:16 AM IST

As many as 20,549 new cases of novel coronavirus were reported, with India’s total COVID-19 cases now above 1.02 crore, as per health ministry’s December 30 update.

India reported 286 new deaths and 26,572 recoveries in the last 24 hours, the latest release shows. Active cases continue to drop, to 2,62,272 with a fall of 6,309 cases in a day.

Kerala reported the most 5,887 (or 29 percent) new cases in the last 24 hours, followed by Maharashtra (3,018), West Bengal (1,244), Chhattisgarh (1,134), Uttar Pradesh (1,021). These five states account for 60 percent of all the new cases reported in India. 


Maharashtra reported the most (68) deaths, followed by West Bengal (30), Delhi (28), Kerala (24), Uttar Pradesh (18). These five states account for 59 percent of all the new deaths reported across the country.

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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About 10 states and union territories like Andaman and Nicobar, Arunachal Pradesh, Chandigarh, Dadra and Nagar Haveli/Daman and Diu, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura did not report any deaths today. 

India’s recovery rate is now 96 percent above the world average of 70.8 percent. Dadra Nagar Haveli/Daman & Diu record the highest (99.7 percent) recovery rate, while Sikkim now reports the lowest (88.7 percent). In terms of cases, Maharashtra recorded 5,572 new recoveries, the most, followed by Kerala (5,029), Chhattisgarh (1,607), West Bengal (1,587) and Uttar Pradesh (1,369).


The total number of COVID-19 cases in India is now at 1,02,44,852 with 98,34,141 recoveries and 1,48,439 deaths as per December 30, update. The mortality rate in the country now stands at 1.4 percent with Punjab reporting the highest (3.2 percent). More than 11 lakh daily tests were reported on December 29 with more than 17.09 crore tests carried out till date.

Chaitanya Mallapur
first published: Dec 30, 2020 11:16 am