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Wednesday, September 23, 2020

India coronavirus numbers explained: Death rate drops below 2%

India Coronavirus Cases Numbers: As on Monday, 22.68 lakh people in India have been infected, out of which a little more than 45,000 have died.

Written by Amitabh Sinha , Edited by Explained Desk | Pune | August 11, 2020 12:42:22 pm
coronavirus, coronavirus news, covid 19, india covid 19 cases, corona news, coronavirus cases in india, coronavirus india update, coronavirus cases today update, coronavirus casesHealth workers conduct a screening for Covid-19 screening in Pune on August 10, 2020. (Express Photo: Arul Horizon)

India Coronavirus Cases: Though far greater number of deaths due to novel Coronavirus are happening these days, the deaths as a proportion of known infected cases has been falling consistently, and has dropped below 2 per cent for the first time now.

As on Monday, 22.68 lakh people in India have been infected, of which a little more than 45,000 have died. In real terms, India has the fifth highest death toll in the world, after the United States, Brazil, Mexico, and the UK. However, the death rate, or case fatality ratio (CFR), is well below the world average of 3.7 per cent.

coronavirus, coronavirus news, covid 19, india covid 19 cases, corona news, coronavirus cases in india, coronavirus india update, coronavirus cases today update, coronavirus cases The Case Fatality Ratio and Positivity Rate in India

CFR, the ratio of deaths to the number of confirmed infections, is a measure of how deadly a disease is. The best estimate of this can be had when the actual number of infected people is known. But in epidemics like the current one, when a large number of people are asymptomatic carriers of the virus, meaning they do not show any symptoms of infection, the actual number of infections is not known. What is known is the number of infections that have been confirmed through diagnostic tests. There are possibly a much larger number of people who are carrying the virus but are unknown because they have not been tested.

Also read | Despite high recovery rate, most people are still falling sick

That is the reason why the real death rate of the disease is usually considered to be much lower than the CFR calculated when the epidemic is still on. When the epidemic finally ends, the death rate is likely to be below one per cent.

At the start of May, the CFR in India was about 3.2 per cent, meaning about 32 people out of every 1,000 persons found to be infected with the disease was dying. This number progressively declined till the middle of June when a few states, like Maharashtra, Delhi and West Bengal, began to reveal hundreds of previously unreported deaths that happened over the past several weeks. The CFR climbed up a bit but the has been on the decline again after that. But throughout this period, the CFR in India has been lower than the global average. That is because several countries in Europe, like the UK, Spain or Italy, had witnessed very large number of deaths even with comparatively lesser number of infections. Even in the United States, the CFR, at 3.16 per cent, is much higher than that in India.

An opposing trend is being seen in the positivity rate in India. This is the number of people who found to be infected out of the total number of people who are being tested. Positivity rate is a measure of how widespread the disease is in the community. If the disease is fairly widespread, more people are likely to turn out positive when they are tested.

But since the testing is not universal, it is also not random. In most states, testing is targeted towards those who have a greater chance of getting infected, like the direct contacts of already infected people. In this kind of testing, a much higher number of people are likely to be found positive compared to a random testing scenario.

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In India, the positivity rate has been progressively increasing since the start of May, from about 4.14 per cent then to just over 9 per cent now. This is because of two reasons. The disease has actually become much more widespread, and as such a lot more people are testing positive now. Also, while many more people are being tested, the tests are still being carried out on targeted groups only.

coronavirus, coronavirus news, covid 19, india covid 19 cases, corona news, coronavirus cases in india, coronavirus india update, coronavirus cases today update, coronavirus cases After four days of 60,000-plus new cases, the number dropped to less than 54,000 on Monday.

On Monday, there was a sharp decline in the number of people found positive in the country. After four days of 60,000-plus new cases, the number dropped to less than 54,000 on Monday. The drop could be a result of far lesser number of tests being carried out over the weekend. These days almost 7 lakh samples are being tested every day, but on Sunday less than 5 lakh were tested. The tests usually drop over the weekends.

Top ten states with maximum caseload:

STATE TOTAL POSITIVE NEW CASES TOTAL RECOVERIES DEATHS

 

Maharashtra 524,513 9,181 358,421 18,050
Tamil Nadu 302,815 5,914 244,675 5,041
Andhra Pradesh 235,525 7,665 145,636 2,116
Karnataka 182,354 4,267 99,126 3,320
Delhi 146,134 707 131,657 4,131
Uttar Pradesh 126,722 4,113 76,724 2,120
West Bengal 98,459 2,905 79,328 2,100
Bihar 82,741 3,021 54,139 450
Telangana 82,647 1,896 59,374 645
Gujarat 72,120 1,056 55,276 2,674

Also in Explained | $100 billion needed to take vaccine to all, not even 10% raised, says WHO

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