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Coronavirus Fatality Rates Vary Wildly Depending On Age, Gender And Medical Hist - Health - Nairaland

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Coronavirus Fatality Rates Vary Wildly Depending On Age, Gender And Medical Hist by GAZZUZZ(m): 7:16am On Feb 27, 2020
Coronavirus fatality rates vary wildly depending on age, gender and medical history — some patients fare much worse than others



A new paper published in JAMA reviews a China-based sample of 72,000 COVID-19 cases, which suggests dramatic variations in the death rate of the illness
No deaths occurred in those aged 9 years and younger, but cases in those aged 70 to 79 years had an 8% fatality rate and those aged 80 years and older had a fatality rate of 14.8%, according to a study of Chinese coronavirus cases released this week.

As the coronavirus spreads, scientists are learning more about the disease’s fatality rate.

The medical journal JAMA released a paper this week analyzing data from the Chinese Center for Disease Control and Prevention on 72,314 coronavirus cases in mainland China, the figure as of Feb. 11, the largest such sample in a study of this kind.


The sample’s overall case-fatality rate was 2.3%, higher than World Health Organization official 0.7% rate. No deaths occurred in those aged 9 years and younger, but cases in those aged 70 to 79 years had an 8% fatality rate and those aged 80 years and older had a fatality rate of 14.8%.

No deaths were reported among mild and severe cases . The fatality rate was 49% among critical cases, and elevated among those with preexisting conditions: 10.5% for people with cardiovascular disease, 7.3% for diabetes, 6.3% for chronic respiratory disease, 6% for hypertension, and 5.6% for cancer.

The fatality rate was 49% among critical cases and worsened by those with preexisting conditions.
The latest China-based study, which was not peer-reviewed by U.S. scientists, found that men had a fatality rate of 2.8% versus 1.7% for women. Some doctors have said that women may have a stronger immune system as a genetic advantage to help babies during pregnancy.

The Chinese study is likely not representative of what might happen if the global spread of the virus worsens. In China, nearly half of men smoke cigarettes compared to roughly 2% of women, which could be one reason for the higher death rate among males.

There were 81,191 confirmed cases of COVID-19 and at least 2,768 deaths as of Wednesday, according to a tally published by the Johns Hopkins Whiting School of Engineering’s Centers for Systems Science and Engineering. (As of Wednesday morning, WHO’s COVID-19 case dashboard, which had been regularly updated, was not working.)


The fatality rate of the novel coronavirus so far appears to be a fraction of that of Severe Acute Respiratory Syndrome (9.6%) and Middle East respiratory syndrome (34.4%). The fatality rate can affect how fast an outbreak spreads: If people die from an illness sooner, they are less likely to be working, shopping or flying on airplanes and, thus, less likely to spread the virus (sic).

“COVID-19 rapidly spread from a single city to the entire country in just 30 days,” the JAMA paper added. “The sheer speed of both the geographical expansion and the sudden increase in numbers of cases surprised and quickly overwhelmed health and public-health services in China.”

The World Health Organization said on Monday that the fatality rate in Wuhan, China, considered the epicenter of the outbreak, is between 2% and 4%. Outside of Wuhan, it is thought to be 0.7%.


“After several months — when pandemic data had been collected from many countries experiencing an epidemic wave — the 2009 influenza turned out to be much milder than was thought in the initial weeks. Its case fatality was lower than 0.1% and in line with other known human influenza viruses.”

“Every now and then a disease becomes so dangerous that it kills the host,” Matan Shelomi, an entomologist and assistant professor at National Taiwan University, wrote on Quora in 2017. But, ideally for the host at least, it must strike a balance.

“If the disease is able to spread to another host before the first host dies, then it is not too lethal to exist. Evolution cannot make it less lethal so long as it can still spread,” he added. “If a hypothetical disease eradicates its only host, both will indeed go extinct.”


https://www.marketwatch.com/story/coronavirus-fatality-rates-vary-wildly-depending-on-age-gender-and-medical-history-some-patients-fare-much-worse-than-others-2020-02-26








Re: Coronavirus Fatality Rates Vary Wildly Depending On Age, Gender And Medical Hist by Nobody: 7:20am On Feb 27, 2020
Re: Coronavirus Fatality Rates Vary Wildly Depending On Age, Gender And Medical Hist by Prettyfeetng: 7:23am On Feb 27, 2020
Looking at it from this angle, does not look so bad (speaking from a certain age bracket) looks like a virus designed to eliminate a weaker / unhealthy demographic.

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