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In its early stages, the epidemic doubled in size every 7.4 days.
originally posted by: carewemust
For everyone who thinks in a level-headed Manner. All others can disregard.
mobile.twitter.com...
originally posted by: Bishop2199
However, you are also assuming that all 2 million will require hospitalization at the same time. As some die off, beds will be available to others. It's a grizzly thought, but that's just numbers.
The claim follows laboratory tests that isolated a strain of the virus from an Italian patient, which showed genetic differences compared with the original strain isolated in China and two Chinese tourists who became sick in Rome.
originally posted by: butcherguy
a reply to: jadedANDcynical
From what I have read, the severe cases require intensive care, with the use of oxygen and often ventilators. Just hospital beds won't be enough for those people.
Oh, and the people that need these types of treatment need it for months.
Elderly and sick people are most susceptible to severe forms of COVID-19
The latest data from China stem from an analysis of nearly 45,000 confirmed cases, and on the whole suggest that the people most likely to develop severe forms of COVID-19 are those with pre-existing illnesses and the elderly.
While less than 1 percent of people who were otherwise healthy died from the disease, the fatality rate for people with cardiovascular disease was 10.5 percent. That figure was 7.3 percent for diabetes patients and around 6 percent for those with chronic respiratory disease, hypertension, or cancer.
It’s harder to explain why young, healthy people also sometimes die from the disease—for instance, Li Wenliang, a 34-year-old doctor who first sounded the alarm about the virus. He died a few weeks after contracting the pathogen.
Genetic and environmental risk factors might help explain the severity of infections. Though it’s clear that genetic factors can strongly determine the outcome of viral infections in mice—as some of Rasmussen’s work has shown for Ebola, for instance—researchers haven’t yet been able to tease out specific genes or variants in mice, let alone in people, that are responsible for varying degrees of illness. Environmental factors, such as smoking or air quality, may also play a role in disease severity, Rasmussen adds.
Why different coronaviruses vary in severity
There are seven coronaviruses known to infect people. Four of them—229E, NL63, OC43, and HKU1—typically cause a cold and only rarely result in death. The other three—MERS-CoV, SARS-CoV, and the new SARS-CoV-2—have varying degrees of lethality. In the 2003 SARS outbreak, 10 percent of infected people died. Between 2012 and 2019, MERS killed 23 percent of infected people. Although the case fatality rate of COVID-19 is lower, the virus has already killed more people than the other two outbreaks combined, which some have attributed to the pathogen’s fast transmission.
The cold-causing coronaviruses, as well as many other viruses that cause common colds, are typically restricted to the upper respiratory tract, that is, the nose and sinuses. Both SARS-CoV and SARS-CoV-2, however, are capable of invading deep into the lungs, something that is associated with more severe disease.
One possible reason for this is that the virus binds to the ACE-2 receptor on human cells in order to gain entry. This receptor is present in ciliated epithelial cells in the upper and lower airway, as well as in type II pneumocytes, which reside in the alveoli in the lower airway and produce lung-lubricating proteins. “The type II pneumocytes are . . . important for lung function, so this is part of why the lower respiratory disease can be so severe,” notes Gralinksi.
The new coronavirus also appears to use the ACE-2 receptor, which may help partially explain why, like SARS, it is more deadly than the other four coronaviruses. Those pathogens use different receptors, except for NL63, which also uses the ACE-2 receptor but binds to it with less affinity, says Gralinski. (MERS is thought to use an entirely different receptor, which is also present in the lower airways.)
Eric Feigl-Ding
@DrEricDing
3) Regarding accuracy of tests - while I’m waiting to find more, keep in mind that while false negatives are common - it might not always be the test. Could be the way the virus sheds in diff body fluid samples. Also positive test still useful — unless the PPV drop too much.
originally posted by: Bicent
So what is the opinion, on putting all our senior citizens under quarantine and pre conditioned threatened highest from the disease, and just let it run its course? Just be done and over with it. I don’t see it being contained and chances are we will be fine, just deal with it like the flu.