[QUOTE=masser;549070]May your explorations be unsullied.[/QUOTE]:razz: :lol:

[url=https://www.smithsonianmag.com/science-nature/virome-manhattan-jeffery-shaman-columbia-covid-19-180975172/]The Virus Study That Helped Us Understand COVID-19[/url] | Science | Smithsonian Magazine

[QUOTE=kladner;547918]If I read correctly, my O+ type is more resistant to Covid-19 than others. Not that I'm going to go out partying in packed, shouting-at-each-other venues. Not that I did, anyway, for decades. I make the supply runs. Dan sometimes is not outside for two or three days. He laments how out of shape he is. I could do us both good by pushing for walks.[/QUOTE]

I wouldn't give much merits to any correlations between the simplistic ABO-Grouping and Covid-19 resistance or lack thereof. It is now known that blood groups are much more varied and complex.
For example Bombay-A Blood type which is rare, most common among people from Indian decent and present in 1 in every quarter-of-a-million Caucasians. It registers as an O-Blood type in the standard tests but its possessors can father children with type AB, which was considered impossible before its discovery.:smile:
[url]https://pubmed.ncbi.nlm.nih.gov/21804525/#:~:text=The%20Bombay%20blood%20group%20is,red%20cells%20or%20other%20tissues[/url].

Additionally there are (I believe) 16 variances of the simplistic ABO grouping (aside from the RH grouping).:smile:

ETA I have seen anything from Pink-Eye to Smoking (as a protective factor) correlated to Covid-19. I think all this is an indication of poor state of "science" of medicine at the present time. If they/we could have a better grasp of this disease it would not have infected more than 1 out of every 1000 people across the world in a matter of months despite our best effort at preventing its spread.

Brazil, Mexico, US, India lead the world in Covid19 death rates. Iraq ramping up quickly, recently at 100 deaths/day. [URL]https://ig.ft.com/coronavirus-chart/?areas=usa&areas=gbr&areas=bra&areas=mex&areas=ind&areas=irq&areasRegional=usny&areasRegional=usca&areasRegional=usfl&areasRegional=ustx&cumulative=0&logScale=1&perMillion=0&values=deaths[/URL]
Brazil has been consistently around 1000/day for over a month

PBS episode Decoding Covid19, vaccine research, including gamers doing RNA folding, and anonymous contact tracking [url]https://www.youtube.com/watch?v=dz5WE3hgvBY&feature=youtu.be[/url]

Another one ?
 

Is it possible to have 2 pandemics simultaneously?
There is increasing concern about a strain of H1N1 swine flu called G4 that is spreading in pig slaughter houses in China. It is thought to be able to be passed human to human:

[URL="https://www.nytimes.com/2020/06/30/world/asia/h1n1-swine-flu-virus-china-pig.html"]https://www.nytimes.com/2020/06/30/world/asia/h1n1-swine-flu-virus-china-pig.html[/URL]

[QUOTE=tServo;549522]Is it possible to have 2 pandemics simultaneously?[/QUOTE]I don't see any reason why there would be an arbitrary upper limit. You could have 7, or M7, simultaneously.

[QUOTE=tServo;549522]Is it possible to have 2 pandemics simultaneously?[/QUOTE]Yes, or n > 2. And they can go on for a long time. Multiple diseases, multiple species in the same geography

[URL]https://datcp.wi.gov/Documents/GMQuarantineMap.pdf[/URL] gypsy moths (affecting hundreds of species)

[URL]https://datcpservices.wisconsin.gov/eab/index.jsp[/URL] scroll to bottom emerald ash borer, affecting true ash trees, generally fatal if untreated in advance.

[URL]https://dnr.wi.gov/topic/wildlifehabitat/prevalence.html[/URL] chronic wasting disease, affecting whitetail deer and other cervids, in some locations disease rate is ~50%.

[URL]https://www.dhs.wisconsin.gov/covid-19/cases-map.htm[/URL] Covid19 affecting humans and several other species

[URL]https://www.dhs.wisconsin.gov/disease/facts-chronic.htm[/URL] Top chronic disease causes of death. Many veterinary diseases resemble human diseases.
[url]https://www.who.int/news-room/fact-sheets/detail/the-top-10-causes-of-death[/url]

Social distancing tip from Dutch National Ballet: wear a 3 metre diameter tutu!
[URL]https://www.operaballet.nl/en/campagne/safe-distance-ballet[/URL]

[QUOTE=kriesel;549297]Brazil, Mexico, US, India lead the world in Covid19 death rates. Iraq ramping up quickly, recently at 100 deaths/day. [URL]https://ig.ft.com/coronavirus-chart/?areas=usa&areas=gbr&areas=bra&areas=mex&areas=ind&areas=irq&areasRegional=usny&areasRegional=usca&areasRegional=usfl&areasRegional=ustx&cumulative=0&logScale=1&perMillion=0&values=deaths[/URL]
Brazil has been consistently around 1000/day for over a month[/QUOTE]

It's also useful - and jaw-dropping - to compare state-by-state within the US - NY got hit hardest early but has since dramatically curbed the spread, whereas various freedom-lovin' states, including my own of CA, "reopened their economies" way too early and now are seeing absolutely exploding case counts:

[url]https://www.nakedcapitalism.com/wp-content/uploads/2020/07/covid-19-2.png[/url]

[The above used [url=http://91-divoc.com/pages/covid-visualization/]this site's visualization tool[/url], based on the Johns Hopkins CSSE data.]

Related article from [i]The Atlantic[/i]: [url=https://www.theatlantic.com/science/archive/2020/07/week-america-lost-control-pandemic/613831/]The Week America Lost Control of the Pandemic[/url] - notes the worst-resurgence states are all in the Sun Belt, thus putting the lie to the "Vitamin D is protective against infection" meme, which was one of the many such as noted by a1call in his above post.

Doing a bit of quick mental math - say CA averages 10,000 new cases per day for the coming year, that would mean 10% of the state's population infect by this time next year, and that is *confirmed* cases, i.e. would like understate the true case count by at least a factor of 2. I believe "disaster" is the word we're looking for, absent a massive curbing of the current trend.

Compared to the above-charted Fab Five US states, Brazil looks like heaven! On a per-capita basis, its 'scary' 1000-new-cases-per day is around 1/30th that of California. Iraq, 100 new cases/day? Roughly 1.5% of CA's new-case rate.

[QUOTE=ewmayer;549769]It's also useful - and jaw-dropping - to compare state-by-state within the US ...
Compared to the above-charted Fab Five US states, Brazil looks like heaven! On a per-capita basis, its 'scary' 1000-new-cases-per day is around 1/30th that of California. Iraq, 100 new cases/day? Roughly 1.5% of CA's new-case rate.[/QUOTE]The link I posted was DEATH rate, not case rate. Iraq was ramping up quickly. The previous time I looked at it they were at 20, not 100. Either they bend the curve or they're in big trouble in a matter of weeks. Iraq has a population that's about 11.6% of the US, so it scales to a similar per capita death rate as the US had 2 weeks ago or 5 months ago. Iraq's most recent week of graphed results looks encouragingly flattening. The US peaked around 2000 deaths/day, or about 6.1/million/day. Brazil is plateaued at 1000+/day, ~4.7/million/day. How accurate or comparable the counting methods are is a big question. Using your visualization site, new deaths averaged over a week, several South American nations have the highest per capita rates. Bolivia is ramping steeply upward. Chile is almost off the top of the chart.

It's also useful to compare on a much smaller geographical scale. [URL]https://madison365.com/update-heres-where-coronavirus-is-spreading-in-dane-county/[/URL] Census tract 16.03 is the area near the Wisconsin capitol square where there were George Floyd / BLM protests repeatedly, morphing after dark into rioting, vandalism and looting hundreds of stores (with perhaps someday nearly half of those stores ever reopening). Case rate went up over 1,250% in 2 weeks there. It's also an area of off-campus student housing and various bars, high population density, etc. A nearby tract had a 500% increase.

Many other tracts had far lower percentage increases, mostly less than doubling.

Tract 29 and another was unchanged for the same period.
Tract 106 is mostly rural and had a 10% decline despite operating under a recent phase of statewide reopening.

106 and 16.03 are within 10 miles of each other, but at opposite extremes in the trend. Some of the tracts' rates are based on very small case counts on small populations; 106's recent rate works out to about 7 cases.