Health
What to know about the FDA's paralytic shellfish poisoning warning
- The U.S. Food and Drug Administration says consumers should avoid eating shellfish from Oregon and Washington state as they may be contaminated with toxins that cause paralytic shellfish poisoning.
- Oregon and Washington have prohibited shellfish harvesting on their coastlines, but shellfish have already been distributed across the country.
- At least 31 people have been sickened by paralytic shellfish poisoning so far.
The U.S. Food and Drug Administration says consumers should avoid eating shellfish from Oregon and Washington state as they may be contaminated with toxins that cause paralytic shellfish poisoning. At least 31 people have been sickened in Oregon so far, according to state health officials. Here’s what to know about the federal agency’s advisory.
What did the FDA say about shellfish?
The warning says to avoid oysters and bay clams harvested from Netarts and Tillamook bays in northern Oregon since May 28, as well as shellfish harvested from areas around Willapa Bay in southern Washington since May 26. They may be contaminated with high levels of paralytic shellfish poisoning, or PSP, a naturally occurring toxin produced by algae.
Shellfish harvested from those areas during that period were distributed beyond Oregon and Washington to Arizona, California, Colorado, Hawaii, Nevada, New York. The FDA has warned restaurants and retailers in those states not to serve it.
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What do we know about the shellfish poisoning outbreak so far?
Elevated levels of toxins were first detected in shellfish on the Oregon coast on May 17, state fish and wildlife officials said.
Since then, a paralytic shellfish poisoning outbreak has sickened at least 31 people in Oregon, according to the Oregon Health Authority. The agency has asked people who have harvested or eaten Oregon shellfish since May 13 to fill out a survey intended to help investigators identify the cause of the outbreak and the number of people sickened.
Oregon authorities have closed the state’s entire coastline to the harvesting of mussels, razor clams and bay clams. Agriculture officials have also closed three bays, including those named in the FDA advisory, to commercial oyster harvesting.
Officials in neighboring Washington have also closed the state’s Pacific coastline to the harvesting of shellfish, including mussels, clams, scallops and oysters, a a shellfish safety map produced by the Washington State Department of Health shows.
What is paralytic shellfish poisoning?
Paralytic shellfish poisoning, or PSP, is caused by saxitoxin, a naturally occurring toxin that’s produced by algae. Saxitoxin is a neurotoxin, meaning it can damage nerve tissue.
People who eat shellfish contaminated with high levels of saxitoxins usually start feeling ill within 30 to 60 minutes, according to Oregon health officials. Symptoms include numbness of the mouth and lips, vomiting, diarrhea, shortness of breath and irregular heartbeat in severe cases.
There is no antidote to PSP, according to the health agency. Treatment for severe cases may require mechanical ventilators to help with breathing.
Authorities warn that cooking or freezing contaminated shellfish doesn’t kill the toxins or make it safe to eat.
What causes paralytic shellfish poisoning?
A “very large” algal bloom has resulted in “unprecedented levels” of PSP toxins along Oregon’s coast, Matthew Hunter, shellfish program manager for the Oregon Department of Fish and Wildlife, said during a briefing.
The toxins have accumulated in the shellfish, sickening some people who have eaten them.
While the factors that create harmful algal blooms are not well understood, certain factors — resulting from both natural processes and human activities — are believed to play a role, according to the National Oceanic and Atmospheric Administration.
“Studies show that many algal species flourish when wind and water currents are favorable,” the agency says on a webpage dedicated to explaining harmful algal blooms. Some blooms, it says, stem from “sluggish water circulation, unusually high water temperatures, and extreme weather events like hurricanes, floods, and drought.”
Algae growth can also increase when nutrients used in fertilizers, mainly phosphorus and nitrogen, flow into bodies of water, according to the agency.
How long will shellfish be unsafe to eat?
Oregon officials said it may take weeks, months or even up to a year for toxin levels to subside, depending on the type of shellfish.
Mussels can accumulate paralytic shellfish poison rapidly, but also rid themselves of it quickly, according to Hunter, the Oregon fish and wildlife official. Because of this, it may take anywhere from two weeks to a month for mussels to eliminate the toxin.
Razor clams, however, are slower to do so. It may take them several months to a year to cleanse themselves due to the current high levels of toxin, Hunter said.
How common is paralytic shellfish poisoning?
Such high levels of paralytic shellfish poison haven’t been detected in Oregon in decades, according to Hunter, who cited a previous shellfish harvesting closure in the state in 1992.
However, PSP has been prevalent in the regional waters for centuries, he said.
What’s the economic impact of the outbreak?
The harvesting closures may deal a blow to Pacific Northwest fisheries.
The shellfish industry generates $270 million each year for the region’s economy, according to the National Oceanic and Atmospheric Administration, and employs some 3,200 people.
Health
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Health
One state leads country in human bird flu with nearly 40 confirmed cases
A child in California is presumed to have H5N1 bird flu, according to the San Francisco Department of Public Health (SFDPH).
As of Dec. 23, there had been 36 confirmed human cases of bird flu in the state, according to the California Department of Public Health (CDPH).
This represents more than half of the human cases in the country.
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The latest pediatric patient, who lives in San Francisco, experienced fever and conjunctivitis (pink eye) as a result of the infection.
The unnamed patient was not hospitalized and has fully recovered, according to the SFDPH.
The child tested positive for bird flu at the SFDPH Public Health Laboratory. The U.S. Centers for Disease Control and Prevention (CDC) will perform additional tests to confirm the result.
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It is not yet known how the child was exposed to the virus and an investigation is ongoing.
“I want to assure everyone in our city that the risk to the general public is low, and there is no current evidence that the virus can be transmitted between people,” said Dr. Grant Colfax, director of health, in the press release.
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“We will continue to investigate this presumptive case, and I am urging all San Franciscans to avoid direct contact with sick or dead birds, especially wild birds and poultry. Also, please avoid unpasteurized dairy products.”
Samuel Scarpino, director of AI and life sciences and professor of health sciences at Northeastern University in Boston, is calling for “decisive action” to protect individuals who may be in contact with infected livestock and also to alert the public about the risks associated with wild birds and infected backyard flocks.
“While I agree that the risk to the broader public remains low, we continue to see signs of escalating risk associated with this outbreak,” he told Fox News Digital.
Experts have warned that the possibility of mutations in the virus could enable person-to-person transmission.
“While the H5N1 virus is currently thought to only transmit from animals to humans, multiple mutations that can enhance human-to-human transmission have been observed in the severely sick American,” Dr. Jacob Glanville, CEO of Centivax, a San Francisco biotechnology company, told Fox News Digital.
“This highlights the requirement for vigilance and preparation in the event that additional mutations create a human-transmissible pandemic strain.”
As of Jan. 10, there have been a total of 707 infected cattle in California, per reports from the California Department of Food and Agriculture (CDFA).
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In the last 30 days alone, the virus has been confirmed in 84 dairy farms in the state.
Health
Chronic Pain Afflicts Billions of People. It’s Time for a Revolution.
“In the beginning, everyone thought they were going to find this one breakthrough pain drug that would replace opioids,” Gereau said. Increasingly, though, it’s looking like chronic pain, like cancer, could end up having a range of genetic and cellular drivers that vary both by condition and by the particular makeup of the person experiencing it. “What we’re learning is that pain is not just one thing,” Gereau added. “It’s a thousand different things, all called ‘pain.’”
For patients, too, the landscape of chronic pain is wildly varied. Some people endure a miserable year of low-back pain, only to have it vanish for no clear reason. Others aren’t so lucky. A friend of a friend spent five years with extreme pain in his arm and face after roughhousing with his son. He had to stop working, couldn’t drive, couldn’t even ride in a car without a neck brace. His doctors prescribed endless medications: the maximum dose of gabapentin, plus duloxetine and others. At one point, he admitted himself to a psychiatric ward, because his pain was so bad that he’d become suicidal. There, he met other people who also became suicidal after years of living with terrible pain day in and day out.
The thing that makes chronic pain so awful is that it’s chronic: a grinding distress that never ends. For those with extreme pain, that’s easy to understand. But even less severe cases can be miserable. A pain rating of 3 or 4 out of 10 sounds mild, but having it almost all the time is grueling — and limiting. Unlike a broken arm, which gets better, or tendinitis, which hurts mostly in response to overuse, chronic pain makes your whole world shrink. It’s harder to work, and to exercise, and even to do the many smaller things that make life rewarding and rich.
It’s also lonely. When my arms first went crazy, I could barely function. But even after the worst had passed, I saw friends rarely; I still couldn’t drive more than a few minutes, or sit comfortably in a chair, and I felt guilty inviting people over when there wasn’t anything to do. As Christin Veasley, director and co-founder of the Chronic Pain Research Alliance, puts it: “With acute pain, medications, if you take them, they get you over a hump, and you go on your way. What people don’t realize is that when you have chronic pain, even if you’re also taking meds, you rarely feel like you were before. At best, they can reduce your pain, but usually don’t eliminate it.”
A cruel Catch-22 around chronic pain is that it often leads to anxiety and depression, both of which can make pain worse. That’s partly because focusing on a thing can reinforce it, but also because emotional states have physical effects. Both anxiety and depression are known to increase inflammation, which can also worsen pain. As a result, pain management often includes cognitive behavioral therapy, meditation practice or other coping skills. But while those tools are vital, it’s notoriously hard to reprogram our reactions. Our minds and bodies have evolved both to anticipate pain and to remember it, making it hard not to worry. And because chronic pain is so uncomfortable and isolating, it’s also depressing.
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