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Last Updated : Sep 22, 2020 09:27 AM IST | Source: Moneycontrol.com

Coronavirus wrap September 21 | Govt considering gathering data on COVID-19 reinfections; Taj Mahal reopens after 6 months

Globally, more than 3.07 crore infections and over 9.5 lakh deaths have been reported due to the COVID-19 pandemic.

India has recorded more than 54.8 lakh cases of the novel coronavirus and 87,882 deaths. Of these, more than 10 lakh are active cases while nearly 44 lakh have recovered.

Across the country, 7,31,534 samples were tested for the novel coronavirus on September 20, the Indian Council of Medical Research (ICMR) said.

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Maharashtra's COVID-19 tally remains the highest among Indian states and Union territories, according to the Union health ministry's latest update.

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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The health ministry updates its numbers a day after states release their data.

Globally, more than 3.07 crore infections and over 9.5 lakh deaths have been reported due to the COVID-19 pandemic.

Here are all the updates from today:

>> India's recovery rate of COVID-19 cases has crossed the 80 percent-mark with over 90,000 recoveries recorded for the third consecutive day, the Union health ministry said September 21.

>> Taking note of instances of suspected COVID-19 reinfections reported from Telangana, Tamil Nadu, Karnataka, Gujarat, Delhi and Maharashtra, the Union health ministry is considering gathering data of such cases to ascertain their veracity, sources told news agency PTI.

>> No significant or drastic mutation in strains of SARS-CoV-2 has been found in India till now, Union minister Dr Harsh Vardhan said on September 20 during an interaction on social media.

>> New Zealand’s Prime Minister Jacinda Ardern has said coronavirus restrictions in its biggest city Auckland will be eased, while all restrictions will be lifted in the rest of the country.

>> India has announced a $250 million loan to the Maldives to boost its coronavirus-battered economy in a bid to further counter China's growing financial footprint in South Asia.

>> Taj Mahal reopened on September 21 after remaining closed for six months due to the COVID-19 pandemic. Tourists will have to follow social distancing and other health protocols during their visit to India’s 17th-century monument situated in Agra, Uttar Pradesh.

>> The ICMR is actively exploring saliva-based test for detection of COVID-19, Union health minister Dr. Harsh Vardhan said.

>> The ICMR has completed the second round of nationwide sero-survey to determine the exposure of the novel coronavirus among the population. The final phase analysis of the survey is underway and the result, once declared, will offer a comparison with the results of the first survey conducted in May, said the council.

>> The COVID epidemic in Britain is doubling roughly every seven days and if it continues to do so there would be about 50,000 new cases per day by the middle of October, the government's Chief Scientific Adviser Patrick Vallance said on September 21.
First Published on Sep 21, 2020 08:38 pm
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