There’s something so strange about this COVID-19 risk factor, and scientists are baffled

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Chris Smith

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  • A new study says one preexisting medical condition that is a risk factor for severe COVID-19 can also reduce the risk of infection from the novel coronavirus.
  • Researchers from Israel found that asthma patients are 30% less likely to contract the illness. But asthma is included as a risk factor in guidelines covering severe COVID-19.
  • The scientists have no idea why asthma might reduce the risk of infection, but they have three theories that might explain the findings.

The novel coronavirus is unlike any other infectious disease roaming the planet, surprising us with all sorts of unexpected developments along the way. The virus can incubate for up to 14 days before the onset of symptoms, and the signs of COVID-19 aren’t specific enough to allow a clinical diagnosis. You might suspect a coronavirus infection, but only a PCR test will confirm it. That’s if you get any symptoms to begin with, since not everyone who catches COVID-19 will actually show any symptoms. On top of that, people who are symptomatic don't always develop the same course of infection. Some will have milder signs similar to the common cold, while others will experience all sorts of unusual symptoms that you wouldn’t necessarily associate with an infectious disease. Some of those symptoms will then linger for several weeks even months in some survivors, long after the virus is cleared.

If all that doesn’t sound strange or confusing, then the following COVID-19 study will certainly leave you scratching your head. It appears as though one preexisting condition that’s a risk factor for severe COVID-19 might also shield some people from catching the virus in the first place.

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There’s something so strange about this COVID-19 risk factor, and scientists are baffled originally appeared on BGR.com on Fri, 4 Dec 2020 at 15:33:09 EDT. Please see our terms for use of feeds.

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