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Peptide peddlers cheer as RFK Jr. unilaterally grants access, overruling FDA

Anti-vaccine Health Secretary Robert F. Kennedy has unilaterally passed a rule that will allow specialty pharmacies to sell six specific peptide drugs, overruling scientists at the Food and Drug Administration.

The peptides are popular among members of Kennedy's Make America Health Again movement, and many prominent MAHA figures and Kennedy allies sell them. Kennedy said he uses some of the peptides and called himself a "big fan." But FDA scientists continue to say there is insufficient evidence to show if they're effective, and they are potentially dangerous. In 2023, the safety concerns led the FDA to remove the six peptides from a list of drugs that can be made by specialty pharmacies called compounding pharmacies—which make customized formulations of drugs for patients, or, in cases such as this, specialty drugs in bulk.

Kennedy's new rule sidesteps the need to formally undo that FDA action. The rule is titled "Enforcement Discretion Policy Regarding 503A Compounding Using Certain Peptide Bulk Drug Substances" and was made available Wednesday on the Federal Register, with the final publication date set for October 30. The rule does not change the regulatory status of the peptide; instead, it states the Department of Health and Human Services (HHS) will no longer take enforcement action against compounding pharmacies for making the peptides, essentially giving them a green light to freely produce and sell them. Kennedy had quietly proposed this rule earlier this month.

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South Carolina's measles outbreak jumped to Washington state 5 times in 2 weeks

Since measles was declared eliminated in the US in 2000, the country's occasional cases have come mainly from international travelers—visitors from far-flung places where the virus still spreads freely—or unvaccinated US residents who return from abroad with a highly infectious souvenir. But as vaccination rates have slipped nationwide in recent years and outbreaks grow bigger and more frequent, domestic travel now poses a greater risk than international incursions.

In a study published this week in NEJM Evidence, Washington state health officials highlight that risk, detailing how an explosive outbreak in South Carolina reached their distant state through five distinct importation events over two weeks in January. In all, the introductions led to 26 cases among residents before officials stamped out the spread.

South Carolina's measles outbreak began on October 2, 2025, and was declared over on April 26, 2026. Officials confirmed 997 cases in the state during the outbreak. At the time, it was the largest measles outbreak recorded since the virus was declared eliminated, but Pennsylvania's ongoing outbreak has since surpassed it.

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Seattle’s Kivo Health raises $10M to bring lung disease rehab into patients’ homes

Kivo Health co-founders from left: CEO Victor Sadauskas and Chief Technology Officer Vaughn Koch. (Kivo Photos)

Seattle-based Kivo Health today announced $10 million in funding to help increase access to its services, which target older adults with chronic obstructive pulmonary disease (COPD). The Series A round brings the startup’s total funding to more than $16 million.

Kivo ships equipment to patients’ homes and provides a nine-week program of therapist-led, live video sessions focused on exercise, breathing techniques and disease management. The company provides ongoing support following the program and says it uses AI to handle administrative tasks and communicate with patients, supporting its clinicians.

“We’re using the funding to build our AI health coach to blend AI-led care with human-led care,” Dr. Victor Sadauskas, Kivo’s co-founder and CEO, said via email. That pairing, he added, will help patients manage their chronic disease over the long term.

The company has approximately 50 employees, including clinicians.

COPD is an incurable lung disease in which damaged airways and air sacs make breathing difficult and can worsen over time. Common symptoms include shortness of breath, a persistent cough and fatigue. COPD is the third leading cause of death globally and the fifth in the U.S.

However, there are effective treatments to improve the condition, though many patients are not able to easily access care. A study of Medicare beneficiaries with COPD found that only 3.7% received pulmonary rehabilitation in 2012.

Kivo reports that a peer-reviewed study of its program found improvements in participants’ symptoms, physical function and mental health. The company also funded an analysis that estimated its model could reduce annual health care spending by $8,245 per member through fewer hospitalizations, ER visits and time in nursing homes.

Kivo says its program is covered by Medicare, Medicaid and private insurers including UnitedHealthcare, Humana, Blue Cross, Aetna and Priority Health.

“By thoughtfully combining high quality clinical care with AI, we can now scale proactive, accessible care to every senior, improving symptoms and reducing avoidable costs,” Sadauskas said in a statement.

Sadauskas launched Kivo in 2023 with co-founder and Chief Technology Officer Vaughn Koch. Sadauskas previously was an emergency medicine physician for Kaiser Permanente and a senior investment fellow with Life Science Angels. Koch is a serial entrepreneur who sold his startup Movity to Trulia in 2010.

While its current focus is COPD, Kivo aims to expand into other costly chronic conditions affecting older adults.

Allumia Ventures led the round, with participation from Corewell Health Ventures, Y Combinator, Heuristic Capital and MassMutual Ventures.

Worms mate in man's eyes, get plucked out right before larvae burst out

After two months of discomfort, a man in South Korea went to an eye clinic where doctors pulled 11 living, wriggling worms from his eyes. They apparently made the most of their time on the man's peepers; at the time of extraction, many of the female worms were pregnant. The man narrowly avoided having them spew their loads of living larvae directly into his eyes.

The man in this case was a 71-year-old crop farmer. He told doctors that for the previous two months he had the sensation of having something stuck in both his eyes, which were also red and blurry. When ophthalmologists took a look, they quickly saw the problem: multiple mobile, whitish roundworms. His eyes were not in good shape either, as one might expect. The blood vessels in the membrane over the eye, the conjunctiva, were enlarged, making his eyes look red. And the cells of his cornea—the transparent, dome-shaped outer layer of the eye—had eroded, potentially after the helminths' hanky-panky.

According to a case report published in the New England Journal of Medicine, the doctors gave the man a topical treatment to numb his eyes and then began plucking out the worms one by one with fine forceps. They collected 11 adult worms, which ranged in size from 11 to 22 mm.

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© New England Journal of Medicine, 2026

RFK Jr.’s vaccine injury clinic could damage NIH hospital, board warns

At a recent meeting of the board that oversees the National Institutes of Health's Clinical Center Research Hospital, chair Jack Leslie opened with cheerful introductions and gregarious chatter—then diverted from the agenda of the regularly scheduled meeting. He spent the next six minutes delivering a pointed rebuke of Health Secretary Robert F. Kennedy, warning that his anti-vaccine activities could tarnish the venerable hospital, often called the "house of hope" for patients with rare conditions or those who have exhausted all other options.

Leslie took issue with a recent stunt Kennedy had pulled at the hospital, which involved making a surprise appearance for a ribbon-cutting ceremony to open his signature vaccine injury clinic. The ceremony included a panel with people claiming to have been injured by vaccines. They sat behind placards reading "vaccine injured" and spoke with Kennedy and other high-ranking Trump administration officials.

Leslie prefaced his comments by noting that some might prefer he not speak out against Kennedy's efforts. "But I think that that would be a failing as an advisory board if we were silent," he said. Leslie also noted that he has no concerns about studying potential injuries from vaccines. "Serious reactions are rare, but real," he said, and people who believe they've been injured should "be taken seriously."

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© Getty | Finn Gomez

In the biotech world, you can’t see everything

Earlier this week, I attended a screening of You Can See Everything, the buzzy new documentary about the disgraced former biotech CEO Elizabeth Holmes. 

I went in not really knowing what to expect. I’d avoided spoilers (and won’t be giving anything away here, either!). I was wondering what new information this film could reveal, given how familiar many of us are with the Theranos story thanks to years of media coverage, the best-selling book Bad Blood, and the Hulu series The Dropout, starring Amanda Seyfried.

Like many others who have seen the film, I came away feeling unsettled. But not just about Holmes’s fraud and the somewhat disturbing interactions between the subjects. The film reignited a concern I’ve had about covering science for most of my career: Despite our best efforts, we never can actually see everything.

In case you’re rusty on the details, Elizabeth Holmes dropped out of Stanford University in 2003 to run Theranos, a diagnostics company she founded, when she was just 19. She went on to claim that her company had invented a way to run over 100 diagnostic tests on just a few drops of blood.

Holmes raised hundreds of millions of dollars for Theranos, which was valued at $9 billion in 2014. Forbes named her the youngest self-made female billionaire—she was worth $4.5 billion when she was just 30 years old.

Things started to unravel in 2015, when an investigation by the Wall Street Journal raised concerns by former Theranos employees that the tests didn’t work. Some also said that the company’s device had not been tested properly, and that blood samples had been analyzed on machines from other companies instead. MIT Technology Review named it one of the biggest technology failures of 2015.

Forbes had revised Holmes’s worth to $0 by 2016. That year, a damning government report said that the company’s lab was struggling with basic procedures and gave patients results even when they knew they could be wrong.

In 2018, Theranos, Holmes, and former company president Ramesh Balwani were charged with “massive fraud.” In 2022, she was sentenced to a little over 11 years in prison for defrauding investors. She began serving her sentence in May 2023.

It was around a month before this that filmmakers Nathan Fielder, Lance Oppenheim, and their colleagues began documenting Holmes and her partner, Billy Evans, at home with their two young children. I’m not giving anything away when I say it’s an extremely intimate portrayal—at least of how the two adults interact with Fielder, who is also a central character in the film.

As you might know if you’ve seen the trailer, there are plenty of super close-ups. I felt as if I spent most of the film staring straight into the faces of those people. And almost the whole way through, they all seemed to be trying to figure each other out. Holmes is known for her dishonesty, but she invited cameras into her home in an apparent bid to reframe the narrative and position herself as an honest person with an unusual mind. Will anyone believe her?

I couldn’t help feeling some empathy for Holmes, a mother we see preparing to leave her two kids for a lengthy prison sentence. And even though I have long known the facts, Holmes is clearly an effective manipulator. You can see her plant the seeds of doubt in Fielder’s mind. At times, I felt she was convincing me, sitting in my cinema seat. Maybe she really didn’t mean to lie?

But then I remembered how other journalists felt after being taken in by her claims. “I blew it,” Fortune’s Roger Parloff reflected in 2015, a year after profiling Holmes and her company. “I’m pretty sure she lied to me,” STAT’s Matthew Herper wrote recently, having interviewed Holmes in 2015. Even the former employee turned whistleblower Tyler Shultz, who knew the product didn’t work, said that he could “have a five-minute conversation with her and walk away feeling like my work was changing the world,” he said in 2022.

I didn’t cover Theranos in the 2010s. If I’d interviewed Holmes, would I have fallen for it all?

One of the early red flags in the Theranos case was the lack of published, peer-reviewed data. Much of the company’s work was classified as a “trade secret.” Scientists tend to publish their work in journals—a slow process that involves having the work evaluated by often anonymous experts in the field, who provide feedback, highlight questionable conclusions, and often ask for clarification. Peer review is meant to add rigor to the publication process. You should be able to trust published scientific papers.

Except that sometimes you can’t.

Scientists aren’t perfect. Some will exaggerate their results or inflate their importance. Some manipulate data to serve a hypothesis. Sometimes these infractions are caught during peer review, but not always. There are plenty of examples of scientific findings that could never be replicated by other labs and ended up collapsing under the weight of real evidence. Many papers ultimately end up with corrections. Some are withdrawn—10,000 research papers were retracted in 2023.

At any rate, there’s been a shift to sharing research in other ways. Today, many scientists opt to publish their work at preprint servers like arXiv, medRxiv, and bioRxiv before they submit them to established journals. Those outlets bypass peer review. So do company press releases, social media posts, and many conference presentations. And I get a lot of my stories from conversations and interviews.

I’ll admit I’ve looked at a scientific finding and thought: A scientist has just said they’ve done that. How can I be sure they really have?

I like to think that I hold myself to high journalistic standards here, as does everyone at MIT Technology Review. I would never publish a story about some new scientific development without doing my own form of peer review, and asking scientists—ideally people I know and trust—what they think of a new claim. 

But the film is a stark reminder of how easy it can be to fall for an appealing narrative. While most scientists are, I hope, pretty honest, and Holmes is certainly an outlier, we should all continue to interrogate the claims being fed to us. If you’ve seen the film, let me know what you think!

This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like this first, sign up here.

Moderna and Merck say their mRNA cancer vaccine cut death, recurrence by 42%

Personalized mRNA vaccines against melanoma—the deadliest form of skin cancer—reduced the risk of death or recurrence by 42 percent compared to standard treatment in a late-stage trial, pharmaceutical partners Merck and Moderna announced Thursday.

The results are a significant advance in melanoma treatment; Merck and Moderna are already engaging with regulatory authorities to get the vaccine approved. More broadly, the vaccine's success bolsters hope that mRNA vaccines and individualized cancer-targeting medicines offer a new paradigm for cancer therapies.

"From the beginning, we believed mRNA technology could make it possible to develop cancer treatments uniquely matched to each patient’s tumor," Moderna CEO Stéphane Bancel said in a statement. The trial results "mark a defining moment for that vision and show what’s possible when we rethink how medicines are made." They also "reinforce our conviction that mRNA has the potential to fundamentally change how we treat cancer," he said.

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