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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 Some naysayers had dismissed it because it was not peer reviewed or from CDC.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
Nov 13
⚠️BREAKING—ICU Hospitalized human bird flu case in Canada now officially confirmed as H5N1. Worse, it is the same 2.3.4.4b virus clade (variant group) as the one found in BC🇨🇦 poultry and in Washington state🇺🇸! The hospitalized teenager (with no pre existing conditions) had no animal contact, does not live on farm, had “deterioration quite rapid” and now critical in ICU with ARDS. Canada officials says infectious period is 2 days **prior to symptoms** (ie asymptomatic transmission) and infectious up to 10 days.Image
2) Public Health Agency of Canada's National Microbiology Laboratory (NML) in Winnipeg confirmed that the individual has avian influenza H5N1
canada.ca/en/public-heal…
3) details…

⚠️BAD UPDATE—BIRD FLU HOSPITALIZATION IN CANADIAN TEEN

Summary 🧵 of the live press conference with Canada’s British Columbia health officer.

📌The teen is in intensive care.
📌Condition is ARDS
📌Teen was healthy prior; no underlying conditions

bsky.app/profile/dreric…
Read 4 tweets
Eric Feigl-Ding Profile picture
Nov 13
Trump’s incoming SECRETARY OF DEFENSE who doesn’t wash his hands and doesn’t believe in germs. Image
2) Trump’s new SECDEF is also in favor of committing war crimes. businessinsider.com/pete-hegseth-a…
3) Trump’s SECDEF pick is a wild character. And loves hawking merch.
Read 4 tweets
Eric Feigl-Ding Profile picture
Nov 9
My god—Google Search for “what is a tariff” sudden spikes the DAY AFTER ELECTION DAY. 🤦🏻‍♂️ Image
2) many folks simply don’t understand what a tariff is — unless you explain it several times to them with analogies. Even then, it’s hard for many to grasp. Eg 👇
3) Ah shit… it’s now gotten worse. Why do so many people do their hw late??,
Read 6 tweets
Eric Feigl-Ding Profile picture
Nov 6
📍HARRIS IS STILL AHEAD IN PA—in terms of votes yet to be counted. She’s still +2 of what is needed to win PA, given the outstanding votes still remaining in PA cities, according to @CBSNews @NorahODonnell Image
Image
Image
Harris has enough remaining in PA Philly suburbs to still win. Image
3) folks. The NYT needle is not reliable.
Read 5 tweets
Eric Feigl-Ding Profile picture
Oct 31
Plastic cookware should not be used. Period. Especially BLACK PLASTIC cookware, that often mixes in toxic recycled electronic waste materials. DISPOSE OF ALL PLASTIC COOKWARE, especially if black colored plastic ones. Pass it on to your family.

Gift🎁🔗
theatlantic.com/health/archive…Image
2) Because optical sensors in recycling facilities can’t detect them, black-colored plastics are largely rejected from domestic-waste streams, resulting in a shortage of black base material for recycled plastic. So the demand for black plastic appears to be met “in no insignificant part” via recycled e-waste, according to Turner’s research. TV and computer casings, like the majority of the world’s plastic waste, tend to be recycled in informal waste economies with few regulations and end up remolded into consumer products, including ones, such as spatulas and slotted spoons, that come into contact with food.
3) You simply do not want flame retardants anywhere near your stir-fry. Flame retardants are typically not bound to the polymers to which they are added, making them a particular flight risk: They dislodge easily and make their way into the surrounding environment. And, indeed, another paper from 2018 found that flame retardants in black kitchen utensils readily migrate into hot cooking oil. The health concerns associated with those chemicals are well established: Some flame retardants are endocrine disruptors, which can interfere with the body’s hormonal system, and scientific literature suggests that they may be associated with a range of ailments, including thyroid disease, diabetes, and cancer. People with the highest blood levels of PBDEs, a class of flame retardants found in black plastic, had about a 300 percent increase in their risk of dying from cancer compared with people who had the lowest levels, according to a study released this year. In a separate study, published in a peer-reviewed journal this month, researchers from the advocacy group Toxic-Free Future and from Vrije Universiteit Amsterdam found that, out of all of the consumer products they tested, kitchen utensils had some of the highest levels of flame retardants.
Read 4 tweets
Eric Feigl-Ding Profile picture
Oct 29
⚠️MASK MANDATE RETURNING TO ALL NIH PATIENT CLINICS—Effective November 4, 2024, masking will be required in all patient care & waiting rooms. Furthermore, testing for COVID, flu A, flu B, and RSV will be required for all inpatients & rooming-in visitors.
cc.nih.gov/patient-servic…Image
Image
2) This means wearing a mask will be REQUIRED in all patient care areas, including waiting rooms. ➡️This change is due to an anticipated increase in COVID-19 and other respiratory virus activity in the community. 😷
3) I think people should stock up on COVID tests again. The Cheapest COVID test on the U.S. market is now as low as $1.50 with special promo code “COV20”… expiring Jan or March 2025.

store.pharmalynk.com/products/advin…Image
Read 6 tweets

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