covid

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Alex
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One of the last times I stepped outside my Brooklyn apartment without a mask on was in early spring 2020, just before the state issued a mask mandate. I remember because as my dog peed on a tree, a neighbor asked me pointedly where my mask was. Where I live, almost everyone wears a mask when they go outside. If a person sipping from an iced coffee with their mask pulled down approaches someone else on the sidewalk coming the other way, they will usually yank the mask back up, as if they’ve been caught partially dressed. The other day I noticed a woman sitting on a hill in the middle of a field with her face covered. There was no one near her.

For a while now, this has felt a little unnecessary, if understandable, given that we were still learning things about the virus and were trying to be as careful as possible. But now, as we’ve come to know more about the virus, as vaccinations are ramping up, and as we’re trying to figure out how to live with some level of COVID in a sustainable way, masking up outside when you’re at most briefly crossing paths with people is starting to feel barely understandable. Look: I believe masks (and even shaming) are indispensable in controlling the spread of the coronavirus. Despite early waffling, public health experts are virtually unanimously in support of them and have remained so even as our early dedication to scrubbing surfaces and Cloroxing veggies wound down.

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Alex
 added a post  to  , covid

Research has long shown that regular exercise has a slew of health benefits like helping to prevent high blood pressure and type 2 diabetes.

Now researchers say regular activity could help protect against severe Covid hospitalizations.

In a new study published in the British Journal of Sports Medicine, researchers and physicians at Kaiser Permanente Fontana Medical Center in Southern California, the University of California, San Diego, and other institutions found that Covid patients who regularly exercised before becoming sick were the least likely to be hospitalized, admitted to the ICU and die as a result of their illness.

The study looked at data from nearly 50,000 adult patients in California diagnosed with Covid-19 from January 2020 to the end of October 2020.

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Alex
 added a post  to  , covid

Companies and countries that depend on travel or large gatherings are counting on a totally unproven concept.
In a harbor on the Greek island of Paxos, Panagiotis Mastoras checks over his fleet of pleasure craft and counts down the days to the return of the tourists who fuel the economy of the 8-mile speck in the Ionian Sea.

For the rental-boat skipper, the easing of travel curbs imposed as the Covid-19 outbreak swept the world appears tantalizingly close. Greece said it would welcome back visitors starting on May 14, as long as they’ve had a vaccination, recovered from the novel coronavirus, or tested negative before flying out. “It’s the safest way,” says Mastoras, one of 850,000 people working in a holiday sector that accounted for almost a quarter of Greece’s gross domestic product before the pandemic, the highest proportion in Europe. “We’ve reached a point where it can’t go on like this.”

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Alex
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It will boil down to two predominant factors that control how a virus behaves in a population: the virus’s biology and the immunity of the host population.

Endemic viruses are those that have constant presence within a geographical area. Such viruses are all around us, though they vary by location. Examples in Europe and North America include the rhinovirus (a cause of the common cold) and influenza virus, while the dengue and chikungunya viruses are endemic in many Asian countries.

Endemic diseases are often milder, but it’s important to note that this isn’t always the case. Flu, for instance, is estimated to cause up to 810,000 hospitalizations and 61,000 deaths annually in the US.

There are currently four endemic coronaviruses that, for most people, just cause a cold. Whether SARS-CoV-2, the virus that causes COVID-19, will join them will be down to two predominant factors that control how a virus behaves in a population: the virus’s biology and the immunity of the host population.

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