covid death rate in china

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  • Nov 20, 2019

How Deadly Is The New Coronavirus? China Offers Some Intriguing ...
How Deadly Is The New Coronavirus? China Offers Some Intriguing …

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March 18, 2020

As Covid 19th pandemic takes its toll ever-larger worldwide, researchers broaden their understanding of who is at greatest risk of infection, serious illness, and deaths, detailed information has previously been reported only in China, where the outbreak began late last year.

In general, the US experience largely emulate China, with the risk of serious illness and death from Covid-19 rose with age. But in an important qualification, a report on Wednesday underlined the message that infectious disease experts have emphasized: the millennium. The new data show that up to one-fifth of infected people ages 20-44 have been hospitalized, including a 2% -4% required treatment in the intensive care unit.

However, most cases are severe, and the highest death rate among the elderly. Although 17% of the US population is 65 or older, 31% of the cases were in the age group, CDC experts concluded in the Morbidity and Mortality Weekly Report. While it is possible that older people have more opportunities to be infected than younger people, like to live in a nursing home, which is considered unlikely, because young adults face many other people in the workplace and schools.

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In contrast, the number of cases is higher among older Americans strongly suggest underlying biological vulnerability true, perhaps exacerbated by pre-existing disease earlier, according to data from China , sharply increased the risk of both infection and serious illness.

That may explain why even though older Americans represent 31% of the cases, they accounted for 45% of hospitalizations, 53% of ICU admissions, and 80% of the deaths, the CDC reported.

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In contrast, no ICU admissions or deaths were reported among people younger than 20.

That, too, fits the data of the country- other countries. In, for example, which has the initial surge of cases, the mortality rate in Covid 19 patients aged 80 and over was 10.4%, compared with 5.35% at 70-somethings, 1.51% in patients 60-69, 0, 37% in 50 -somethings. the lower levels seen in younger people, fell to zero in those 29 and younger.

In an alarming development, however, scientists in China are now reporting that the new coronavirus does not spare the very young. In the first retrospective study Covid-19 among children in countries where the pandemic began, they counted 2,143 cases in children. Of them, those in the journal Pediatrics, more than 90% were mild or moderate, confirming previous observations that children are at lower risk of severe disease. (That may be because the molecules that allow the virus to enter human cells seem less developed in children.)

But 6% of cases of severe child and even critical, compared with 19% of adult cases. And in the findings described, almost 11% of Covid-19 cases in infants severe or critical, although no baby died. An important caveat, however, is that most of what doctors believed Covid-19 may have other respiratory diseases, including respiratory syncytial virus, which is known to cause severe disease in children.

Analysis CDC calculates US cases from February 12 to March 16; 4226 reported to the CDC. Starting on March 14, however, the number increased to 500 or more per day, and many cases have not been calculated or even identified because of the scarcity of test coronavirus. A by researchers at the University of Notre Dame estimates that, at the time President of the Trump last week, there were probably about 22 876 US cases, the actual number is almost certainly between 7451 and 53 044.

The CDC does not have complete data (such as the use of ICU) for all cases are calculated, and therefore provide a range of estimates.

More than raw numbers, percent of total cases provide a sense of risk for different age groups. For example, only 1.6% to 2.5% of the 123 infected people 19 and under were treated in hospital; do not require intensive care and none have died.

A roundup of stories on this day STAT.

However, from 144 cases in people 85 and older, 31% to 71% were hospitalized and 6.3% for the 29% required intensive care. The mortality rate in the age group is 10% to 27%.

In contrast, among those 20-44, 14% to 21% of the 705 cases were hospitalized and 2% to 4% to the ICU; 0.1% to 0.2% died.

The price for middle-aged people fall between the extremes, while 29% to 44% of patients 65-74 whohospitalized and 8% to 19% required intensive care; 2.7% to 4.9% in this age group died.

About 49 million people in the US who are 65 or older.

Experts emphasize that the population age structure of a country has great implications for how it should focus on containment and mitigation measures.

“age structure, along with early detection and treatment, is also likely to explain the lower number of deaths in South Korea and Singapore compared to Italy,” said demographer Jennifer. Dowd of the University of Oxford, who analyzed how the age structure of a country can use to guide its response Covid-19

in South Korea, the outbreak is concentrated in the younger church members; less than 4% of cases there have been in people over 80. Singapore has had only one death was reported, he pointed out, probably because it has only 10 cases in people over 70 and one on a person over 80.

“it has become clearer that the deaths and critical cases are highly concentrated in old age,” said Dowd, the infection tends equally common in young people but often produces mild symptoms or none. Although some models have projected the health care system disorders and millions of deaths in the United States alone, he said, “we thought that combining the age structure is important for predicting the threshold at which the capacity of health services especially overwhelmed.”

it means that the national population that skews older, such as Italy, the efforts to not “change the spread,” said Dowd. But they changed the threshold for when the demand in hospitals and ICU exceed their capacity. Social distancing measures, including orders to shelter in place, therefore it needs to be more aggressive or less depending on the age structure of the population.

In Italy, 22% of the population is 65 or older, compared to 17% in the US, raising hopes for a less catastrophic health care details.

Senior Writer, Science and discovery

Sharon covering science and discovery.

singapore has ZERO covid 19 deaths so far, pls check your facts.

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