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Topic: Coronavirus discussion and Quarantine ideas

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Cincydawg

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17486 on: February 21, 2022, 07:03:46 AM »
How the 1918 flu pandemic mirrors today’s coronavirus crisis - Chicago Tribune

Pretty interesting, to me.   I still don't understand why this stuff hits in waves like this.  

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Cincydawg

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17487 on: February 21, 2022, 07:09:12 AM »
There are 219 virus species that are known to be able to infect humans. The first of these to be discovered was yellow fever virus in 1901, and three to four new species are still being found every year. Extrapolation of the discovery curve suggests that there is still a substantial pool of undiscovered human virus species, although an apparent slow-down in the rate of discovery of species from different families may indicate bounds to the potential range of diversity. More than two-thirds of human viruses can also infect non-human hosts, mainly mammals, and sometimes birds. Many specialist human viruses also have mammalian or avian origins. Indeed, a substantial proportion of mammalian viruses may be capable of crossing the species barrier into humans, although only around half of these are capable of being transmitted by humans and around half again of transmitting well enough to cause major outbreaks. A few possible predictors of species jumps can be identified, including the use of phylogenetically conserved cell receptors. It seems almost inevitable that new human viruses will continue to emerge, mainly from other mammals and birds, for the foreseeable future. For this reason, an effective global surveillance system for novel viruses is needed.

Human viruses: discovery and emergence (nih.gov)

How a Few Sick Tobacco Plants Led Scientists to Unravel the Truth About Viruses | Science | Smithsonian Magazine

When he published his findings in 1898, Beijerinck called the infectious, filtered substance contagium vivum fluidum—a contagious, living fluid. As a shorthand, he reintroduced the word “virus” from the Latin for a liquid poison to refer specifically to this new kind of pathogen.

 In 1935, chemist Wendell M. Stanley created a crystallized sample of the virus that could be visualized with X-rays, earning him a share of the 1946 Nobel Prize. (The clearest X-ray diffraction image of tobacco mosaic virus came from Rosalind Franklin, in 1955, after her contributions to the discovery of DNA’s double helix.) The first clear, direct photographs of tobacco mosaic virus would not come until 1941 with the invention of powerful electron transmission microscopes, which revealed the pathogen’s skinny, sticklike shape.

This was a turning point in the scientific understanding of viruses because visual proof dispelled any doubt of their existence. The images showed that viruses are simple structures made of genetic material wrapped in a solid coat of protein molecules—a far cry from squishy, cellular bacteria. But Beijerinck didn’t live to see his theory validated, as he died in 1931.

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847badgerfan

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17488 on: February 21, 2022, 07:22:09 AM »
Quote from: SuperMario on February 20, 2022, 06:27:20 PM
Rome to Miami? What is that, 3 week cruise?
17 days. Stops are Nice, Barcelona, Gibraltar, Tenerife, St. John's and San Juan.
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U RAH RAH! WIS CON SIN!

utee94

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17489 on: February 21, 2022, 09:56:42 AM »
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847badgerfan

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17490 on: February 23, 2022, 07:47:40 AM »
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Mdot21

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17491 on: February 23, 2022, 09:33:55 AM »
Quote from: Cincydawg on February 19, 2022, 09:16:13 AM
When to keep wearing COVID face masks | Popular Science (popsci.com)
most masks and especially cloth masks are not going to stop anyone from catching covid. yeah, calling bullshit on this article, sorry CDC.

the covid virus particles bonded to cough/sneezing/breath droplets are too small for most masks to filter out. you're going to get exposure if you're wearing any masks unless you're wearing a correctly put on KN95 or N95 mask.

wearing any type of mask when you're infected (and a lot of people are infected without even know it- even vaccinated ones) will absolutely help reduce the amount of virus particles from getting out and into the air when you breathe and cough and sneeze - which is great and certainly helps everyone. but it's not giving the actual wearer real protection- especially with studies suggesting that Omicron is able to infect individuals with a smaller viral load than previous strains.

the only real protection you'll have from a mask is if you're wearing a KN95 or N95 that is put on properly.
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Mdot21

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17492 on: February 23, 2022, 09:36:59 AM »
Quote from: utee94 on February 21, 2022, 09:56:42 AM

first one was a great movie. rest kinda sucked- including the new one. 

and....that's kinda true.
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Cincydawg

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17493 on: February 23, 2022, 09:37:11 AM »
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Cincydawg

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17494 on: February 23, 2022, 09:38:50 AM »
Presuming that wearing a mask by a person infected and contagious does cut down on transmission, mask wearing would be at least somewhat effective, which I believe is what the CDC is saying.

The articles cited are about rates of transmission, not protecting the wearer (unless I missed one).

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Mdot21

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17495 on: February 23, 2022, 09:39:33 AM »
Quote from: 847badgerfan on February 19, 2022, 06:39:45 AM
We did a transatlantic from Lisbon to Miami in November. Had to be vaccinated.

We have a Key West and Bahama cruise coming up in April. Requires vaccination.

Seems kinda silly at this point, knowing that vaccinated people can spread just as well as unvaccinated people.
yeah, pretty much agree. have to get on with life and try to get back to normal at this point. 

vaccine will protect you from serious illness/hospital/death - in most if not all cases. So if you're really worried about covid, take the vaccines and boosters- get the protection- and let's have everyone get on with life.
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MrNubbz

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17496 on: February 23, 2022, 09:44:50 AM »
Quote from: utee94 on February 21, 2022, 09:56:42 AM

"Kill'em,Kill'em all" - Thomas "Stonewall" Jackson,December 1862
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Cincydawg

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17497 on: February 23, 2022, 10:54:05 AM »
I disagree that vaccinated people spread it as much as unvaxxed.  I can't see how that is true at all.

Vaccinated folks who contracted COVID can spread it, but fewer get COVID.
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847badgerfan

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17498 on: February 23, 2022, 11:31:51 AM »
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utee94

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Re: Coronavirus discussion and Quarantine ideas
« Reply #17499 on: February 23, 2022, 11:41:35 AM »
Quote from: Mdot21 on February 23, 2022, 09:39:33 AM
and let's have everyone get on with life.

Everyone already IS on with life, as far as my daily living goes.  And has been pretty much since May 2020.

I honestly don't worry about the Lockdown Larrys and Mask-up Marvins in other regions.  If they want to keep living like it's March 2020, they're welcome to do so.  It doesn't affect my day-to-day at all.
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