The Washington State Department of Health (DOH) has confirmed that a resident of Grays Harbor County is the first person in the U.S. known to be infected with the H5N5 strain of avian influenza. 

The case also marks the country’s first human bird flu diagnosis since February.

The patient, described by officials as “an older adult with underlying health conditions,” remains hospitalized after showing influenza-like symptoms in early November. 

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The DOH stated that the individual “had a mixed backyard flock of domestic poultry at home that had exposure to wild birds.

“Additional testing shows the virus to be H5N5, an avian influenza virus that has previously been reported in animals but never before in humans.”

Domestic poultry and wild birds are considered the most likely sources of the virus exposure, though the health investigation is ongoing.

Public health experts have not found any increased risk to the public to date, according to the press release.

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“Transmission of avian influenza between humans is extremely rare and has never been documented in the United States,” the report states.

The Centers for Disease Control and Prevention and DOH “currently consider the risk to the public from avian influenza to be low.”

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The DOH urges poultry owners, wildlife handlers and others who have contact with animals to exercise caution. 

Measures include avoiding contact with sick or dead birds, using appropriate protective equipment and reporting sick wildlife or domestic animals to the Washington State Department of Agriculture (WSDA).

The release also emphasizes that although the seasonal flu vaccine does not prevent bird flu infections, it is important because “infection with both viruses could result in the emergence of an avian influenza virus that is more easily transmitted from person to person.”

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Previously this year, the CDC declared the bird flu emergency officially over.

The agency’s emergency response to H5N1 bird flu, which was activated in 2024, was “deactivated” July 2, the agency told Reuters, citing declining animal infections and an absence of human cases since February.

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The H5N5 virus is a close cousin of H5N1. While both viruses come from birds and share part of their genetic code, H5N5 has a different “end piece” of its structure that changes how it behaves, experts say.

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While H5N1 has caused human illness — and even deaths — for years, H5N5 has mostly been limited to birds until now, per health officials.

One specific spice could function as a natural antidepressant, an expert says.

Saffron, found in popular foods and drinks like paella and herbal teas, has shown promise for its ability to boost mood and reduce symptoms of depression, in addition to other various health benefits.

During an in-studio interview with Fox News Digital, Dr. Daniel Amen, psychiatrist and founder of Amen Clinics in California, shared his enthusiasm about using saffron for mental health support.

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“I love saffron so much,” he said. “I’m Lebanese, and Middle Eastern folks cook with a lot of saffron. And there’s actually folklore in Iran: If you’re too happy, you must have had saffron.”

Amen referenced research showing that about 30 milligrams of saffron was “equally as effective” as antidepressants in randomized trials.

While most SSRIs (selective serotonin reuptake inhibitors) can help boost mood, they also pose the risk of decreasing sexual function. Saffron does the opposite, according to Amen.

“As a psychiatrist, I don’t want to ruin my patients’ love lives,” he said. “Saffron increased sexual function [in research].”

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Saffron has also been shown to help with memory and focus, according to various studies.

A recent study, published in Reviews in Clinical Medicine 2025, also linked saffron to decreased symptoms of premenstrual syndrome (PMS).

After eight to 12 weeks of saffron use, participants reported that the supplement “significantly reduced” the symptoms and severity of PMS.

Additional research published in the Cambridge University Press in May 2025 revealed saffron’s potential to ease depression symptoms.

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The review analyzed 192 trials involving more than 17,000 patients and 44 different nutraceuticals to determine which supplements work for depression.

Saffron was identified as most effective, showing a moderate to large antidepressant effect.

The meta-analysis also examined how these nutraceuticals interacted with prescribed antidepressant medications.

Combining supplements like zinc and curcumins (natural compounds found in turmeric) with existing antidepressants were found to improve symptoms.

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“So, if you’re on an antidepressant and you want it to work even better, think about zinc and curcumins,” Amen recommended. “Saffron, zinc and curcumins is a great combination.”

While cooking with saffron may not achieve the levels needed to improve mood, saffron supplements are available as capsules, tablets and powdered extract. Thirty milligrams per day is typically the recommended dose for symptom relief.

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Long-term use of saffron has yet to be studied, as there is some uncertainty around its potency as a supplement, researchers and experts have warned.

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According to a medically reviewed WebMD article, taking saffron in high doses or for long periods of time “may be risky,” potentially causing anxiety, appetite changes, upset stomach sleepiness or headache.

Anyone interested in starting a saffron supplement should first consult with a doctor.

Scientists may have found a way to stop Alzheimer’s damage before it starts — by “melting” the tiny protein clumps that are the early triggers of the disease.

Alzheimer’s has long been linked to harmful tau protein fibrils that build up in the brain and interfere with cognitive function, but researchers have now discovered soft, small clusters that appear first.

When those early clusters were dissolved, it prevented the toxic fibrils from forming, which could effectively block the disease, according to researchers from Tokyo Metropolitan University.

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Led by Professor Rei Kurita, the scientists used precise X-ray and fluorescence methods in a laboratory setting to find the microscopic “precursors,” which measured only tens of nanometers, according to a press release.

Because the tiny precursors were soft, the researchers were able to dissolve them. As a result, no tau fibrils were formed.

These results suggest a shift in how scientists might develop Alzheimer’s disease treatments.

Rather than focusing on breaking apart the final fibril formations, new therapies could target the earlier, reversible precursor stage to prevent harmful structures from forming in the first place, according to the release.

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This strategy could eventually be applied to the research of neurodegenerative diseases like Parkinson’s.

The study did have some limitations, primarily that it involved in-vitro biochemical models and no humans or animals. It’s not known whether similar reversible clusters exist in human brain tissue.

More research is needed to find out if breaking up these protein clusters is safe and could actually help treat the disease.

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Dr. Marc Siegel, Fox News senior medical analyst, was not involved in the study but shared his reactions to the findings.

“There are three essential components structurally involved in the development of Alzheimer’s disease — beta amyloid proteins, tau proteins and neuroinflammation,” he told Fox News Digital.

“In the future, there will likely be triple therapy — anti-inflammation, anti-beta-amyloid and anti-tau.”

“There are already treatments on the market to target beta amyloid buildup, and now here’s a targeted therapy to dissolve and disrupt tau protein buildup before it forms the dreaded neurofibrillatory tangles.”

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Siegel believes this is “bound to be of clinical value” and will likely be better tolerated than other medications currently on the market.

“In the future, there will likely be triple therapy — anti-inflammation, anti-beta-amyloid and anti-tau,” he predicts.

Courtney Kloske, Ph.D., director of scientific engagement for the Alzheimer’s Association in Chicago, also reacted to the study in an interview with Fox News Digital.

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“This manuscript focuses on altering the structure of tau, one of the hallmark brain proteins involved in Alzheimer’s, and on exploring approaches that could potentially slow or stop disease development,” said Kloske, who was also not involved in the study.

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“This is promising basic research that may turn out to deepen our understanding of the mechanisms underlying the disease, but it is preliminary, and additional studies are needed to determine how these findings can be translated into human studies.”

Fox News Digital reached out to the researchers for comment.