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Eric Feigl-Ding Profile picture
@DrEricDing
Jun 26, 2021 • 20 tweets • 11 min read • Read on X
⚠️WEAR MASK EVEN IF VACCINATED—Top @WHO leader urges masks against #DeltaVariant even if 2-dose vaxxed. "Vaccine alone won't stop community transmission. People need to use masks consistently, be in ventilated spaces—even if you're vaccinated" #COVID19🧵
cnbc.com/2021/06/25/del… Image
2) "People cannot feel safe just because they had the two doses. They still need to protect themselves," WHO official Dr. Mariangela Simao @mariangelasimao told reporters.
3) The WHO comments come as some countries, including the Us, have largely done away with masks and pandemic-related restrictions as the Covid vaccines have helped drive down the number of new infections and deaths.
4) WHO officials said they are asking fully vaccinated people to continue to "play it safe" because a large portion of the world remains unvaccinated and highly contagious variants, like delta, are spreading in many countries, spurring outbreaks.
5) I personally think is this very wise advice. The #DeltaVariant is enormously contagious with even fleeting exposure of just seconds. This indicates clearly fast airborne transmission. Masks needed. Premium especially IMHO.
6) Transmission happens with #DeltaVariant without contact at all. Security camera footage supports it.
7) Yes the vaccine protects you ~80% for two doses. But it’s 60% for AZ and 83-88% for Pfizer, and 94.% against hospitalization. But that is not fool proof. And you can still keep transmitting it to rest of the population that is vulnerable Image
8) 10% of hospitalizations last week in the Uk, which is heavily vaccinated, were still among 2 dose vaccinated. You need to keep masking, especially premium masks if possible.
9) Why is @WHO right on masks? 50% #DeltaVariant infections in Israel were in fully Pfizer vaccinated adults.

90% of COVID in 🇮🇱 is #DeltaVariant

Israel is most fully vaccinated country in the world at 60% 2-shot Pfizer. #Delta is just that aggressive
wsj.com/amp/articles/v…
10) Israel is also forced to rescind its relaxation and reinstate its mask mandates. After just 1 week of relaxation of masks, they quickly back tracked. WHO is absolutely right on this. The CDC is totally wrong on letter 2 dose vaccinated people go without masks.
11) expert warn areas with low vaccination are a “time bomb waiting to happen”.

#DeltaVariant rise will not end well for low vaccinations areas, whether in parts of US, Australia, or other under-vaccinated countries—unless we mask & ventilate.
#COVID19
12) As Dr Fauci warned recently: “The problem you get into … is that a single dose only provides about ~30% effectiveness [against #DeltaVariant]—so that is really an issue you gotta be careful”, as Fauci tells @nehakhanna_07.

13) To all national and local leaders — please heed these advice by @DrMikeRyan of the @WHO. He is the most respected outbreak preparedness person in my book.
14) Please sign this mask reinstatement petition by @endCOVID19 to the CDC: endcoronavirus.org/blog/cdc-unive…
15) For those who wonder why we worry right now— those “fully” vaxxed with 1 shot J&J are not really fully vaxxed anymore, we don’t think. reuters.com/business/healt…
16) this is why we must still mask. 1 dose efficacy is just too low. Even 2 dose efficacy doesn’t prevent transmission airtight in any way. It’s not bulletproof for transmission.
17) to be clear, I am the biggest vaccine supporter. But I’m a bigger supporter of ending the pandemic sooner with additional add on measures. UK with its high 47% 2-dose vaccine should be a lesson to all we need more mitigation like masks & ventilation.
18) this will unfortunately happen more and more with #DeltaVariant unless we mask up until 2-dose vaccinations high enough above 80%.
19) UPDATE— Los Angeles county, seeing 50% #DeltaVariant, is now supporting the WHO position to recommend masks indoors even if you’re vaccinated. This reason is much based on the science of vaccines and the Delta variant. See latest thread 🧵 below—
20) UPDATE - @CDCgov finally got around to agreeing with the @WHO on masking on top of vaccinations after a full month of denial. A full 31 days later!!!

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More from @DrEricDing

Eric Feigl-Ding Profile picture
Mar 28
My god—Earthquake (a Richter ~7.7) causes a skyscraper to collapse in Bangkok. Hope all the construction workers made it out.
2) this skyscraper collapse was captured from a distant car’s dashcam while on a highway

3) another view of the collapse. For those who lived through 9/11, this collapse is a bit triggering.
Read 5 tweets
Eric Feigl-Ding Profile picture
Mar 27
Welp—kiss public health & medical research infrastructure in America goodbye for the next 4 years. RFK Jr plans to cut 10,000 jobs from Trump HHS. Image
2) this will not make America healthy again… not by a long shot. So dangerous and irresponsible.
3) “Kennedy is set to announce Thursday the planned changes, which include axing 10,000 full-time employees spread across departments tasked with responding to disease outbreaks, approving new drugs, providing insurance for the poorest Americans and more”.
Read 5 tweets
Eric Feigl-Ding Profile picture
Mar 15
SICKENING—Trump’s DHS just deported a surgeon from Brown University Medical School—who is here legally on an H1B visa that doesn’t expire until 2027, and has committed no crimes. Trained in the U.S. at Ohio State, University of Washington, and Yale as a **transplant surgeon** (one of the most difficult surgical fields in all of medicine!!!), she is a highly trained doctor on kidney transplants, which cannot be easily replaced. Her phone was seized at the border. A federal judge handed down an injunction against her deportation—but she was already deported on a plane en route to Paris. Brown’s kidney transplant clinic is now strained by her deportation.Image
Image
2) Full text:

PROVIDENCE — A Rhode Island doctor who had traveled to Lebanon to see her parents was prevented from re-entering the United States at Boston’s Logan International Airport on Thursday evening, her lawyer and a colleague said.

Dr. Rasha Alawieh, 34, who lives in Providence, has been working at Brown Medicine’s Division of Kidney Disease & Hypertension since last July, and she [has] been part of the transplant service at Rhode Island Hospital, according to Dr. George Bayliss, the organ transplant division’s medical director. She has been studying and working in the United States for about six years, he said Friday.

The US consulate in Lebanon had issued her an H-1B visa, which is given to people in specialty occupations requiring expertise. The visa was valid through mid-2027, said Thomas S. Brown, an attorney representing her and Brown Medicine.

Alawieh was detained when she returned to Logan airport, and family members are afraid that she is about to be deported to Lebanon, he said.

“We are at a loss as to why this happened,” Brown said. “I don’t know if it’s a byproduct of the Trump crackdown on immigration. I don’t know if it’s a travel ban or some other issue.”

He said her phone has been seized and he has not been able to contact Alawieh.

Bayliss said a lawyer filed a petition with the US District Court in Massachusetts, and Judge Leo T. Sorokin issued an order saying Alawieh should not be moved outside of Massachusetts without 48 hours notice. But he said that message apparently did not reach immigration officials in time, and a plane carrying Alawieh left for Paris.

“This is outrageous,” Bayliss said in an interview. “This is a person who is legally entitled to be in the U.S., who is stopped from re-entering the country for reasons no one knows. It’s depriving her patients of a good physician.”

A US Customs and Border Patrol spokesperson, Ryan Brissette, was not able to immediately answer questions about Alawieh on Friday evening.

Bayliss said Alawieh graduated from the American University of Beirut medical school and came to the United States for a nephrology fellowship at Ohio State University. She then landed a transplant fellowship at University of Washington and had a residency in the Yale hospital system before starting at Brown Medicine last July, he said.

“She’s really a very humble and able person,” Bayliss said. “She takes care of her patients. She is talented and thoughtful and a great addition to our division.”

Bayliss said Alawieh went to Lebanon to visit parents and planned to be gone for two weeks. He said she texted a colleague at 6:30 p.m. Thursday saying she was back in Boston, but then her family heard from immigration officials.

Dr. Paul Morrissey, surgical director of the organ transplant division at Brown University Health, said Alawieh works on getting people in Rhode Island on the list for a kidney transplants, and that’s a crucial job at a time when there has been a lot of focus on the need for kidneys and their equitable distribution.

He said Alawieh should not have had any problem traveling out of the country with an H-1B visa.

“It’s an unfortunate set of circumstances,” Morrissey said. “It’s putting a strain on our office. Her work has been exceptional.”

bostonglobe.com/2025/03/14/met…Image
3) There is a new Trump ban against many countries, including tourist visa bans against all countries in the red and orange lists. This list is still tentative. And it shouldn’t have affected people with existing visas, such and the Brown kidney transplant surgeon Image
Read 8 tweets
Eric Feigl-Ding Profile picture
Mar 14
I’ve said it before, and I’ll say it again… once upon a time, liberals did have our own “Leftist Joe Rogan”… his name was Joe Rogan…

Here he is advocating for socialized medicine, healthcare for all, and supporting labor unions to protect workers.
2) Recall, Rogan was once pro Obama and pro Bernie Sanders, and pro Yang Gang, and anti Trump. It’s sad he has since failed to the dark side. But like Vader… maybe he can be redeemed someday and come back to the light.
3) *Fallen, not failed (above).

Joe Rogan was also pro gay rights and pro DACA and pro helping inner city communities that suffer economic and social injustices. It’s sad what he has become. I feel we should try to pull & welcome him back someday. Everyone can be redeemed.
Read 4 tweets
Eric Feigl-Ding Profile picture
Feb 26
BREAKING—FDA suddenly cancels meeting to update next season’s flu vaccines, with zero explanations. Any delays will jeopardize next year’s vaccine supply chain. Image
2) Folks who follow me know that I’m no bullshitter. I criticized past pandemic response right and left, and have called balls and strikes without bias. And I often say things that doctors & epidemiologists are whispering among themselves but don’t say publicly. (Cough cough) ⬇️
3) While I don’t recommend hoarding… I think stocking up on flu antivirals, which you can obtain prophylactically (preventively) from doctors if you ask nicely why you’re high risk, can be a good idea. I know many doctors, epidemiologists and virologists who do for their family.
Read 6 tweets
Eric Feigl-Ding Profile picture
Feb 26
Doctors are debunking RFK Jr’s claim that 20 hospitalized measles cases in Texas are there for mainly quarantine. Doctors on the ground say the 20 kids hospitalized are having trouble breathing. Oh and they are all unvaccinated against measles, which RFK Jr neglects to mention. Image
2) RFK Jr told Trump today there’s now 2 measles deaths.
3) RFK Jr is a tear with his FDA today. A dark Darwinian future lies ahead for America.
Read 4 tweets

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