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SARS-CoV-2 Coronavirus (COVID-19)

Discussion in 'Environmental Discussion' started by tochatihu, Jan 26, 2020.

  1. T1 Terry

    T1 Terry Active Member

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    An interesting test would be mask testing for the virus and what mutant strain was in what area to tell where the origin of that strain started. Contact tracing in Australia can determine which major infection area within Australia it had spread from and how big the area of infection has spread. With this information they can determine what areas or state borders to close, or if it would be a matter of shutting the gate after the horse has bolted. Sometimes surprising to find the infection actually came from a different area than was first suspected.
    As far as the value of wearing a mask, you only need to breath out through the mouth in a cold ambient temperature to see just how much aerosol droplets are spread with each breath. Really a no brainer to wear a mask to keep your own breath from contaminating others. By testing masks it would find those with the virus yet no symptoms as well as those with mild symptoms that appeared to be no more than a cold.

    T1 Terry
     
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  2. bwilson4web

    bwilson4web BMW i3 and Model 3

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    An interesting idea, using masks as an alternative to swabbing, I'm pretty sure the problem is reagents and lab staff, not the sampling mechanism. Still, good thinking 'out of the box.'

    Bob Wilson
     
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  3. bisco

    bisco cookie crumbler

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    'mel gibson receives remdesivir for covid-19'
     
  4. t_newt

    t_newt Active Member

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    Yes, you called me out on this once for mentioning something that had a correlation with reduced coronavirus, but no controlled study had been done.

    I've seen this pyramid used to judge the quality of evidence:
    [​IMG]
     
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  5. bisco

    bisco cookie crumbler

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    red sox pitcher eduardo rodriguez has developed myocarditis as a result of covid-19
     
  6. ChapmanF

    ChapmanF Senior Member

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    Well, in a cold ambient, a lot of what you're seeing is what you exhaled as vapor, condensing into droplets a few inches from your face.

    I don't know, I think maybe the only droplets carrying virus particles are the ones that were already droplets when you exhaled them.
     
  7. tochatihu

    tochatihu Senior Member

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    Texas and Iowa have joined Arizona in slowing case-growth rates. Other states can be 'called' soon (when signal emerges from variability) and some media sources have already reported. Remember I am not following all states' data.

    ==
    Honorable mentions also to states whose positive tests are below 5% of total:
    AK, ME, MT, ND, NH, NM, OR, VT, WV
    This is what all are supposed to be doing.

    Arizona's falling case rates may actually be at risk because their tests exceed 18% positive. No other state is higher. Florida is above 12% and that is also not good.
     
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  8. bwilson4web

    bwilson4web BMW i3 and Model 3

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    Our mask order went into place July 16 and as of July 29 we're seeing a reduction in hospital admissions. Our Governor had the good sense to extend the mask order to the end of August. It was going to end with July.

    About recovery from COVID-19: Symptom Duration and Risk Factors for Delayed Return to Usual Health Among Outpatients with COVID-19 in a Multistate Health Care Systems Network — United States, March–June 2020 | MMWR

    Symptom Duration and Risk Factors for Delayed Return to Usual Health Among Outpatients with COVID-19 in a Multistate Health Care Systems Network — United States, March–June 2020

    Prolonged symptom duration and disability are common in adults hospitalized with severe coronavirus disease 2019 (COVID-19). Characterizing return to baseline health among outpatients with milder COVID-19 illness is important for understanding the full spectrum of COVID-19–associated illness and tailoring public health messaging, interventions, and policy. During April 15–June 25, 2020, telephone interviews were conducted with a random sample of adults aged ≥18 years who had a first positive reverse transcription–polymerase chain reaction (RT-PCR) test for SARS-CoV-2, the virus that causes COVID-19, at an outpatient visit at one of 14 U.S. academic health care systems in 13 states. Interviews were conducted 14–21 days after the test date.

    Respondents were asked about demographic characteristics, baseline chronic medical conditions, symptoms present at the time of testing, whether those symptoms had resolved by the interview date, and whether they had returned to their usual state of health at the time of interview. Among 292 respondents, 94% (274) reported experiencing one or more symptoms at the time of testing; 35% of these symptomatic respondents reported not having returned to their usual state of health by the date of the interview (median = 16 days from testing date), including 26% among those aged 18–34 years, 32% among those aged 35–49 years, and 47% among those aged ≥50 years.

    Among respondents reporting cough, fatigue, or shortness of breath at the time of testing, 43%, 35%, and 29%, respectively, continued to experience these symptoms at the time of the interview. These findings indicate that COVID-19 can result in prolonged illness even among persons with milder outpatient illness, including young adults. Effective public health messaging targeting these groups is warranted. Preventative measures, including social distancing, frequent handwashing, and the consistent and correct use of face coverings in public, should be strongly encouraged to slow the spread of SARS-CoV-2.
    . . .

    Note: I inserted paragraph breaks to make it more readable. Bottom line, you don't just 'get over it.' Assuming the viral load has gone (not necessarily measured,) the recovery often takes more time than the surveyed "14-21 days" to repair the damage.

    Bob Wilson
     
  9. bisco

    bisco cookie crumbler

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    dr. fauci is now recommending a face shield or goggles, even though other scientific authorities are not on board with this advice.
    i can't find any other info
     
  10. hill

    hill High Fiber Member

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    Maybe, like when he said Don't wear masks because there's no need (when it was likely he said that just so people wouldn't panic over there not being enough of them) there is an ulterior motive. Perhaps he owns stock in the face shield companies
     
    #2471 hill, Jul 30, 2020
    Last edited: Jul 30, 2020
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  11. hill

    hill High Fiber Member

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    [/LIST=1]

    Maybe try this - as it's at least of mediocre value;

    Coronavirus Update (Live): 17,408,401 Cases and 674,448 Deaths from COVID-19 Virus Pandemic - Worldometer

    Anywho - However you slice it;
    COVID-19 study shows 75 percent of infectious people were asymptomatic
    with as much as 75% that may actually be asymptomatic - we should all be good to go pretty soon.
    .
     
    #2472 hill, Jul 30, 2020
    Last edited: Jul 30, 2020
  12. bisco

    bisco cookie crumbler

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    good to go where?(n)

    new deaths: florida, 252. arizona, 172. texas, 113. california, 109.
     
  13. ILuvMyPriusToo

    ILuvMyPriusToo Senior Member

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    Unfortunately, it sounds like a grave problem . . .
     
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  14. tochatihu

    tochatihu Senior Member

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    Readers may have heard recently that other countries are having resurgence of cases. That is correct, and may or may not relate to relaxed 'lung control' as it has in US. Following list provides perspective on new daily cases in more active states, and resurging other countries:

    Florida, 9446
    Texas, 9042
    Calif, 8755
    Peru, 5288
    Tenn, 4333
    Georgia, 3271
    Arizona, 2339
    Israel, 2099
    Spain, 2031

    N Carolina, 1763
    S Carolina, 1737
    Louisiana, 1735
    Missouri, 1671
    Miss, 1505
    Alabama, 1416
    Ohio, 1396
    Illinois, 1393
    Romania, 1182
    Japan, 1148

    Michigan, 1016
    ...
    Singapore, 334
    Australia, 278

    Countries such as S. Africa, Brazil, Mexico, Colombia, Iran, Iraq, Russia, India, Bangladesh, Indonesia, Philippines not listed because they are not recently resurgent. They are passing it around though.
     
  15. bisco

    bisco cookie crumbler

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    my brother is up here from florida for the summer. he is grateful to be out of the land of anti maskers, and thinking of staying until it all passes, unless ma gets bad again.
    i thought there would be more hoo ha regarding the white house collecting state data, but i'm not reading of any complaints.
    hard to believe it could actually go smoothly
     
  16. bisco

    bisco cookie crumbler

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    'cdc warns of serious public health consequences if k-12 schools don't reopen this fall'
     
  17. Salamander_King

    Salamander_King Senior Member

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    Is this a typo?
     
  18. bisco

    bisco cookie crumbler

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    not in my reiterating the article.
     
  19. bisco

    bisco cookie crumbler

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    wow!

    dr. nicole saphire wrote a thoughtful, balanced, science driven opinion piece, and fox news actually printed it.

    what will their readers (and news personalities) think? :eek: