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Eric Feigl-Ding Profile picture
@DrEricDing
Oct 29, 2021 • 14 tweets • 6 min read • Read on X
⚠️BREAKING—REINFECTION & NATURAL IMMUNITY—new CDC study in hospitalized adults finds: unvaccinated people with prior #COVID19 infection recently were **5 times more likely** to be reinfected / get breakthrough versus people recently fully vaccinated! 🧵 cdc.gov/mmwr/volumes/7… Image
2) Here’s the background—
Previous infection with SARS-CoV-2 or COVID-19 vaccination can provide immunity and protection against subsequent SARS-CoV-2 infection and illness. ➡️ but the big debate has been which immunity is stronger? Offers more protection? That’s the study aim.
3) “Among COVID-19–like illness hospitalizations among adults aged ≥18 years whose previous infection or vaccination occurred 90–179 days earlier, odds of laboratory-confirmed #COVID19 among unvaccinated adults with previous SARS-CoV-2 infection were 5.49-fold higher”…
4) …”than among fully vaccinated recipients of an mRNA COVID-19 vaccine who had no previous documented infection (95% confidence interval = 2.75–10.99).” Wow 👀

📌 Notably this was a clean comparison of fully vaccinated with no prior infection vs those with prior infection!
5) What are the implications for public health practice?

📍All eligible persons should be vaccinated against COVID-19 as soon as possible, including unvaccinated persons previously infected with SARS-CoV-2. ⚠️
6) Let’s dive into #DeltVariant and reinfection from natural immunity vs breakthroughs by vaccination— reinfection via natural infection is 7.55x higher than breakthroughs!!! Image
7) What about vaccine type? Reinfection risk is 5x higher with natural immunity vs Pfizer vaccine. But reinfection risk is 7.3x higher with natural immunity vs Moderna! Moderna is again stronger protection and natural immunity much much weaker. 👀 Image
8) Among elderly, natural immunity is almost 20x weaker against reinfection than vaccines!! ⚠️ But even among 18-64, natural immunity is still 2.57x weaker protection than vaccines!! ⚠️ Image
9) Someone warned about this exact issue over a month ago…. Some naysayers had dismissed it because it was not peer reviewed or from CDC. But it was clear vaccine immunity had less breakthroughs than natural immunity had reinfections.
10) to be clear—even if natural immunity had equal reinfection risk as vaccine had breakthroughs—vaccines would still be better. Because it is much much safer. And don’t forget the selection bias in natural infection—that “dead men tell no tales” where you only measure survivors.
11) Thus, natural immunity should be called “NATURAL INFECTION SURVIVORS” who survived an earlier infection. That’s why when even if “natural immunity” people higher antibodies—you’re selecting people who didn’t succumb last time. ➡️And also don’t forget #LongCovid debilitation.
12) But folks who tout natural infection focus on those who *survived*, and they know they had COVID often by looking at just those with enough antibody response in antibody tests! Many survivors **who don’t mount antibodies are often excluded** from studies! Hence it’s biased!
13) Wow- 1 in 4 infected with COVID do NOT develop antibodies! There goes natural immunity strategy — it’s not reliable! Hence get #vaccinated!
14) We should not be talk about natural or artificial immunity at all. Vaccines stimulate your own natural immunity to fight #SARSCoV2 and other viruses. That’s how they work. What “natural immunity” folks really want to say is “let’s mass infect everyone” for expediency. 👀

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More from @DrEricDing

Eric Feigl-Ding Profile picture
Apr 10
It’s a trap: CATCH 22—if you register, ICE will deport you. If you don’t register, you’ve now committed a crime for the first time, and ICE will deport you. Trump doesn’t care if you’ve paid all taxes and followed all laws—ICE will deport you.

apnews.com/article/illega…Image
2) The Department of Homeland Security announced that it was mandating that all people in the United States illegally register with the federal government, and said those who didn’t self-report could face fines or prosecution. ***Failure to register is considered a crime***
3) Registration will be mandatory for everyone 14 and older without legal status. People registering have to provide their fingerprints and address, and parents and guardians of anyone under age 14 must ensure they registered. The registration process also applies to Canadians who are in the U.S. for more than 30 days, such as so-called snowbirds who spend winter months in places like Florida.
Read 4 tweets
Eric Feigl-Ding Profile picture
Apr 3
Now economists know how scientists felt back when he pushed “hydroxychloroquine”
2) HCQ preventing COVID deaths has been debunked— and it’s now been linked with deaths.

@JoshuaPCohen1
forbes.com/sites/joshuaco…Image
@JoshuaPCohen1 3) JPMorgan on Trump Tariffs: “The largest tax increase since 1968” Image
Read 6 tweets
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

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