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Eric Feigl-Ding Profile picture
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16 Feb, 9 tweets, 4 min read
Outbreak of #B1351 variant in Ontario 🇨🇦 condominium high rise—5 cases out of 1,800 total residents and staff. Entire building to be tested “voluntarily” for the reinfection-prone evasive variant from South Africa 🇿🇦. #COVID19 cbc.ca/news/canada/to…
2) This #B1351 variant is the one WHO warned about last week for reinfection risk.
3) This is the variant in which prior infection had no protection against, not even severe disease in recently placebo group or Novavax trial.
4) Regarding high rises—FECAL AEROSOLS—yes, there is a study that suggests “fecal aerosol transmission may have caused the community outbreak of COVID-19 in high-rise building” via septic pipes. ncbi.nlm.nih.gov/pmc/articles/P…
5) here is the much more detailed thread 🧵 on fecal aerosol transmission in high rises and how it can happen
6) good news is vaccines fo work for it. Both Novavax and J&J vaccines still effective against B1351, albeit attenuated
7) I hate to get gross, but beware of depleted / evaporated U traps in high rise buildings.
8) this fecal aerosol septic gas problem is well known to have caused many past epidemics.
9) Even Fauci has warned of both airborne and fecal routes of transmission before too.

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More from @DrEricDing

Eric Feigl-Ding Profile picture
17 Feb
GOOD news—if you have certain Neanderthal DNA 🧬 & get #COVID19. People with certain Neanderthal genes on chromosome 12 have lower rates of ICU. This region encodes proteins that activate enzymes that are important during infections with RNA viruses.
pnas.org/content/118/9/… Image
2) That said, another Neanderthal gene is bad. “Recently, it was shown that a haplotype in a region on chromosome 3 is associated with becoming critically ill upon infection with #SARSCoV2 and was contributed to modern humans by Neanderthals”.
3) For this new finding, “a haplotype on chromosome 12, which is associated with a ∼22% reduction in relative risk of becoming severely ill with #COVID19, is inherited from Neandertals. This haplotype is present at substantial frequencies in all regions of 🌎 outside Africa.”
Read 19 tweets
Eric Feigl-Ding Profile picture
17 Feb
Texas still in crisis mode. And @ERCOT_ISO is still “load shedding” — a euphemism for cutting power via rollout blackouts. The problem is still systemic across Texas. Keep up to date on this site.

#TexasBlackout #texaspoweroutage #Texas
poweroutage.us/area/state/tex… Image
2) Meanwhile Texas leaders...
3) Here is what really went wrong.
Read 4 tweets
Eric Feigl-Ding Profile picture
17 Feb
What sent Texas reeling is not an engineering problem, nor frozen wind turbines. It is a structure that offers no incentives to prepare for winter. In the name of deregulation and free markets— electric grid that puts cheap prices over reliable service. 🧵
washingtonpost.com/weather/2021/0… Image
2) It’s a “Wild West market design based only on short-run prices,” said a portfolio manager, Matt Breidert. The temporary train wreck has seen the wholesale price of electricity in Houston go from $22 a megawatt-hour to about $9,000, while 4 mil Texans have been without power.
3) “One utility company, Griddy, which sells power at wholesale rates to retail customers without locking in a price in advance, told its patrons Tuesday to find another provider before they get socked with tremendous bills.” washingtonpost.com/business/2021/…
Read 16 tweets
Eric Feigl-Ding Profile picture
17 Feb
TEXAS LEADERS FAILED—power outages raise fears that herds could run short of food and water. Some farmers are being forced to dump tankers of milk on fields because it can’t be processed, & livestock maybe euthanized if no water or food. #texaspoweroutage wsj.com/articles/texas… Image
2) “No feed, no water, and no heat doesn’t make for a good situation,” said Texas agriculture commissioner. Some areas had gone without power for >30 hours straight—while fielding calls from cattlemen losing calves to the cold & poultry farmers struggling with frozen water pipes.
3) Sanderson Farms Inc., one of the biggest U.S. chicken companies, estimated that as many as 200 of its approximately 1,900 Texas chicken houses were without power, & dozens have ruptured or frozen water pipes. Mills are struggling to make animal feed without access to power
Read 9 tweets
Eric Feigl-Ding Profile picture
17 Feb
A healthy boy before—18 weeks of agony for 13 year old boy suffering #COVID19.

“His heart—we didn't catch that for 2 months—now we're dealing with a coronary issue that we don't know if it will resolve.” 🧵

#LongCovid & kids is real. (HT @MaritsaNBCMT) nbcmontana.com/news/local/new…
2) “A lot of people really do not understand how dramatic the effects of COVID are on children,” Lisa Beard, Hudson’s mom, said. “A lot of times, we want to protect the most vulnerable, the small under 1 and the elderly, but Hudson was a thriving, very active 13-year-old.”
3) “It’s been nearly 18 weeks of agony for Hudson, who contracted #COVID19 in Nov. He hasn’t been to school since.
“It is hard. It’s really hard when doctors don’t have an answer, & they’re like, ‘Well, over time let’s see what happens. And you might get better, we don’t know.’”
Read 7 tweets
Eric Feigl-Ding Profile picture
17 Feb
“About 80% of [Texas] power grid is fueled by nuclear, coal and natural energy. Only about 7% are wind turbines and renewables. And those too, yes, have frozen but they can be winterized to be ready for this type of weather." ~Texas Tribune @viaAlana.
2) Indeed, most of the ~20 GW deficit doesn’t come from wind. Wind output is only 2.6 GW below normal. Image
3) this crisis isn’t over for millions.
Read 5 tweets

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