Madness—NCAA will bring fans back to the stadiums for the men’s and women’s NCAA basketball 🏀 tournament—albeit at lower capacity. But having thousands of fans arrive from all over the country creates #COVID19 super-spreader risks—as well as bars/hotels.
nytimes.com/2021/02/19/spo…
2) The 68-team men’s tournament, which begins on March 18, will be played in Indianapolis before crowds of up to 25 percent capacity at sites ranging from the quaint 9,100-seat Hinkle Fieldhouse to Lucas Oil Fieldhouse, which holds up to 70,000 fans.
3) The 64-team women’s tournament, which begins on March 21, will allow up to 17 percent capacity from the regional semifinals through the championship final in San Antonio. Those games will be played at the Alamodome, which has a 31,900-seat capacity for basketball.
4) Unlike baseball ⚾️ or football 🏈 which are played outdoors, indoor basketball is much different risk levels. Even if masked, what is ventilation rates, air disinfection rates? Masks are not enough for long periods indoors with high density of people.
5) Here is my detailed ventilation thread 🧵 about why we need air cleanings and ventilation.

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More from @DrEricDing

22 Feb
COVID hidden in lung 🫁 transplant—transplant recipient tragically dies after receiving donor lungs, unbeknownst infected with #COVID19. The surgeon also contracted same #SARSCoV2—both infected from the dead donor’s lung, verified from genetic sequencing.🧵nbcnews.com/health/health-… Image
2) “Doctors say a woman in Michigan contracted Covid-19 and died last fall two months after receiving a tainted double-lung transplant from a donor who turned out to harbor the virus that causes the disease — despite showing no signs of illness and initially testing negative.”
3) “Officials at the University of Michigan Medical School suggested it may be the first proven case of #COVID19 in U.S. in which virus was transmitted via an organ transplant. A surgeon who handled the donor lungs was also infected with the virus & fell ill but later recovered.”
Read 8 tweets
21 Feb
AIR DISINFECTION—To reduce airborne #SARSCoV2 risk, new study finds HEPA cleaners, with total air exchange rate of 5.7  ACH/hour, after 2 hours in closed room with a highly infective person—the inhaled dose is 6x reduced!

➡️We need these for schools.🧵
tandfonline.com/doi/full/10.10… Image
2) In times when classes were conducted with windows and door closed, the aerosol concentration was reduced by more than 90% within less than 30 minutes when running the purifiers (air exchange rate 5.5 /hour)—and decreased by more than 95% within 37 minutes. Image
3) A **halving of the particle concentration was reached in 10.0, 7.0 or 5.4 minutes** (green, black and red lines, respectively), depending on the total flow of the purifiers.

The blue line shows a typical slow decrease when no purifiers were used. Image
Read 9 tweets
21 Feb
Sobering NYT cover tomorrow—almost 500,000 confirmed deaths from #COVID19 in the US.

Excess mortality in the US is even higher.

Don’t look away. Pandemic is not over. Be vigilant. #doublemask
2) US total excess mortality from the pandemic is meanwhile approaching almost 600,000 soon... sobering.
3) Meanwhile US has lost a full year of life expectancy in the first half of 2020 alone. 2.7 years of life lost for black Americans. 1.9 years lost for Hispanic Americans. 0.8 lost for whites.

Let that sink in.
Read 15 tweets
21 Feb
Let this sink in—Congresswoman @AOC from Bronx & Queens raised over $4 million for people suffering in Texas.

While Ted Cruz went to Cancun, Rick Perry & others blamed wind power that’s <12% of actual shortage.

➡️Donate to help Texas—let’s keep it going! secure.actblue.com/donate/aoc-soc…
2) What’s more— @AOC actually personally came to Texas and helped on the front lines, whenever she didn’t have to (she’s not even elected by Texas).
3) And let’s remember the moral rot at the heart of all is is that Texas leader consciously neglected to winterize and purposefully deregulated and avoided federal regulations.
Read 7 tweets
20 Feb
Sweden 🇸🇪 strategy success??? Compared to its Scandinavian neighbors...

...No! Sweden has a 12% excess mortality above past years, while all its neighbors have none.

Sweden’s unscientific natural infection herd strategy has been an epic fail. #COVID19

github.com/dkobak/excess-…
2) Just how bad is Sweden’s excess mortality last year? An epic 100 year excess mortality high! See thread 🧵 on the data...
3) Chasing natural infection herd was part of Sweden’s strategy from the beginning. And they told themselves sweet little lies from the beginning. Here it is a little annotated history timeline...
Read 18 tweets
20 Feb
MASK WEARING IN SCHOOLS—New CDC survey of middle & high school students of fellow students mask wearing—

📌60-65% of students reported fellow students wore a mask “all the time” in classrooms, hallways or stairwells.

📌school buses (42%)

📌restrooms (40%)

But... 🧵#COVID19
2) But mask wearing drops a lot when:

📌cafeteria (when not eating) (36%)

📌sports or extracurricular activities (28%)

📌outside on school property (25%)
cdc.gov/mmwr/volumes/7…
3) These numbers are quite low. Shockingly low. Granted a lot of these 3,953 middle and high school students with in person classes are schools in states with looser or no mask mandates. But I’m most worried about mask wearing with such mediocre to low prevalence.
Read 5 tweets

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