Eric Feigl-Ding Profile picture
Jul 19, 2021 15 tweets 7 min read Read on X
Worried—We are now seeing lots of outdoor-only #DeltaVariant transmission between strangers with no direct contact. These sports attendees weren’t even sitting together—likely fleeting transmission at “pinch points” (bottlenecks) at stadium🏟 gates. This would change everything.
2) We’ve seen mega outbreaks at outdoors music concerts in Netherlands for example…
3) there is now a new outdoor masking requirement in NSW Australia 🇦🇺 because of this outdoors risk.
4) Sporting events also very risky due to after parties and side pub gatherings. This was my main worry before. But seeing the NSW 🇦🇺 cases of sport spectators having no other contact worries me.
5) the Netherlands concert was part of this surge. We can’t have these large gatherings amid #DeltaVariant I worry. India 🇮🇳 epidemic was also spurred by religious gatherings — which were almost all outdoors too. Now making more sense how India had such a huge outbreak.
6) Also the Scotland vs England soccer ⚽️ game likely contributed to this mega outbreak too. Again mainly outdoors.
7) How is outdoor transmission even possible with #DeltaVariant but wasn’t possible before? Well, bad news from Guangdong CDC—“The viral loads in Delta infections were ~1000 times higher than (earlier) strain infections [on day 1 of positive test].” ⚠️wow.
virological.org/t/viral-infect…
8) #DeltaVariant also yields faster peak viral load—“results showed the time interval from the exposure to first PCR positive in the quarantined population was 6.00 (IQR 5.00-8.00) days in the 2020 epidemic and was 4.00 days in the 2021 epidemic (peak at 3.71 days).” 👀 damn. Image
9) as result, “In response to this notable viral parameter, the government required people leaving the Guangzhou city from airports, train stations and shuttle bus stations to show proof of a negative COVID-19 within 72 hours on June 6 and further shorten into 48 hours on June 7”
10) in light of the above #DeltaVariant data, these partying at a nightclub in London as coronavirus restrictions are lifted by callous Boris Johnson and @sajidjavid are pretty insane.

11) several other “fleeting exposures” traced in NSW Australia are pretty worrisome - all were strangers. This has been found multiple times now.
12) This follows the other shopping mall case in which the index case passed within 60 centimeters of another man for mere “seconds”. This is the #DeltaVariant that is dominating UK 🇬🇧, ravaged India 🇮🇳, and surging across Europe and US right now.
13) Want proof of another outdoor fleeting transmission case? Here it is — an outdoor cafe infection of fleeting contact — confirmed via even genomic sequencing to match the exact virus strain!! This is very strong proof it happened. This is why I worry - multiple bad signals.
14) And as reminder — #DeltaVariant is leaps and bounds faster transmission than any other variant. Dr @larrybrilliant, who led smallpox eradication, even says Delta is more transmissible than smallpox!!! And it took his team years to eradicate smallpox!
15) we must be much more vigilant with of our pandemic restriction and be very wary of lifting them when #DeltaVariant is surging. It can quickly get out of control very easy given how infectious it is.

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More from @DrEricDing

Mar 26
HOLY CRAP! The Francis Scott Key Bridge has collapsed after a ship collision in Baltimore. The 1,200 feet (366 m) span bridge was the third longest span of any continuous truss in the world.

2) my god— The Francis Scott Key bridge is one of the main highways that forms the beltway of Baltimore. The collapse has been called a mass casualty incident and it is unknown at this time how many vehicles may have been on the bridge at the time of the collision & collapse. wtop.com/baltimore/2024…Image
3) Multiple vehicles have fallen into the water. This is not a small bridge folks - it’s one of the largest truss bridges in the world - and facilitates much of the flow of shipping in the port of Baltimore - which is now likely toast for a while.
wtop.com/baltimore/2024…
Read 16 tweets
Mar 19
Dear @CDCDirector Mandy Cohen… you’ve completed abdicated the “control and prevention” in CDC’s name. Countless have been maimed by #LongCovid, and continue to be harmed.

My thoughts on @Slate’s health podcast—13:30 min mark—



slate.com/podcasts/well-…
podcasts.apple.com/us/podcast/wel…
2) What @CDCDirector did by dropping isolation rules for active #Covid infectious patients— to green light them to goto work and school and shopping centers to spread the virus is complete dereliction of duty to public health. See thread 🧵 on details why. 👇
3) of course I had to misspell “completely” in top post. But while to err is human…. To correct… divine. Maybe @CDCDirector Cohen should learn some contrition. Meanwhile:
Read 6 tweets
Mar 15
📰BREAKING UPDATE—A close friend of @Boeing whistleblower John Barnett who was found dead in his hotel parking lot last week (while still testifying against Boeing) said he had told her just before his court deposition—➡️”If anything happens to me, it's not suicide." See 🧵👇
2) "I know that he did not commit suicide," said Jennifer, a friend of Barnett's. "There's no way." ➡️Jennifer said they talked about this exact scenario playing out.

However, now, his words seem like a premonition he told her directly not to believe.

abcnews4.com/news/local/if-…
Image
3) "I know John because his mom and my mom are best friends," Jennifer said. "Over the years, get-togethers, birthdays, celebrations and whatnot. We've all got together and talked." When Jennifer needed help one day, Barnett came by to see her. They talked about his upcoming deposition in Charleston. Jennifer knew Barnett filed an extremely damaging complaint against Boeing. He said the aerospace giant retaliated against him when he blew the whistle on unsafe practices.
Read 9 tweets
Mar 13
📍Hey folks—on #TikTok—as an American born in China—I have a few thoughts in this post. First of all, I would NOT ever recommend allowing TikTok to access your contact book 📔 of friends, or let TikTok connect to find your Facebook friends, or add your phone number. TikTok claims to be a “global private company” but it’s a wholly owned Chinese company—how big of a deal is it? Well, years ago, Google hit the nuclear eject button and forced itself to fully pulled out of mainland China—why? Because Google got into a fight with Chinese govt—because any media company operating in China must be subject to CCP control and grant communications access (read: for censors/monitoring/data tapping) to the CCP government. Google refused—and hence Google doesn’t operate anywhere in mainland China anymore. For same reason… TikTok being owned by Bytedance, a wholly owned China company—they are subject to same CCP control. TikTok just needs to divested from China and become US owned. Do yourself a favor meantime — disconnect your address contact book 📕 and your FB from TikTok if you must use it, and try not to use your📱number if possible (but still use a 2FA). I don’t want a ban of TikTok but I do support the TikTok divestment from China (so that it is fully US owned). I think TikTok is useful and powerful, but we need to secure it for us fellow Americans by supporting the ***divestment*** so that US controls it. I hope people see I’m not anti-TikTok—I just want us to make it better and more secure to protect our freedom of speech, privacy, and civil liberties. Thanks for listening. And may there be peace ☮️ in the Middle East.Image
Image
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2) I recommend you disconnect as many access points to your phone as possible from TikTok, if you must use it. Trust me on this. I use a ton of social media (I run other large social pages besides Twitter)—but TikTok I don’t touch beyond the most basic limits. Image
3) Congresswoman @RepSpanberger knows what’s she’s talking about — she was a former CIA officer. TikTok will always be subject to Chinese data control as long as it is Bytedance owned.
Read 7 tweets
Mar 11
⚠️HOLY SMOKES—A famous whistleblower against @Boeing on safety issues, has just been suddenly found dead in his truck in his hotel parking lot—all while **testifying in the middle of his week of depositions** against Boeing. JFC. Many of John Barnett’s claims about dangerous Boeing practices have already been verified by the FAA. If we don’t hold accountability for his death, whistleblowers won’t come forward in the future—which would endanger publicly health & safety.
bbc.com/news/business-…Image
Image
2) WTF — “It said the 62-year-old had died from a "self-inflicted" wound on 9 March and police were investigating.” ➡️ people don’t suddenly commit suicide in a parking lot while at a hotel to testify against @Boeing for days and days.
@Boeing 3) Everyone needs to watch John Oliver @LastWeekTonight episode on Boeing immediately… it’s fire 🔥

Read 23 tweets
Mar 6
“We’ve known, there are lots of studies (that show) up to 50% of all cases are transmitted asymptomatically, which means fever is not the relevant thing here.” And many patients never develop a fever at all during a COVID-19 infection.

Read more at: miamiherald.com/news/coronavir…
2) This means if they are feeling kind of sick but don’t have a fever, they may not isolate at all based and may spread the virus to others. The guidelines are “wishy washy” at best and require people to self-diagnose… if an illness is COVID-19, flu, RSV

miamiherald.com/news/coronavir…
3) “Feeling better is subjective, right? What is ‘feeling better’ to one? If you have symptoms that aren’t better explained by another cause, we don’t have the testing for other causes. And what is ‘better explained’? All these things are just so nebulous and undefinable,”
Read 6 tweets

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