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Tuberculosis outbreak linked to prominent high school, officials investigating

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Tuberculosis outbreak linked to prominent high school, officials investigating

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An outbreak of tuberculosis (TB) has been linked to a San Francisco high school.

The San Francisco Department of Public Health (SFDPH) issued a health advisory on Jan. 29 about the outbreak, which has been tied to Archbishop Riordan High School.

TB is a curable bacterial infection that targets the lungs, but can also infect other organs, according to Johns Hopkins. It is an airborne contagion that can be spread through coughing, sneezing or saliva.

Three active TB cases have been diagnosed among people associated with Archbishop Riordan High School since November 2025, according to the advisory, and over 50 latent TB infections have been identified within the school community.

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A person with a latent infection has been infected with the tuberculosis bacteria, but the bacteria are inactive in the body.

While latent-stage TB is not contagious, it can develop into active disease in 5% to 10% of people.

An outbreak of tuberculosis (TB) has been linked to a San Francisco high school (not pictured). (iStock)

“Efforts are underway to assure preventive treatment for all these individuals,” the advisory states. 

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The school’s staff and students have been instructed to stay home if they are sick and to get medical clearance from a doctor before returning.

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“Additionally, TB evaluation is required for all students and staff affiliated with the school, regardless of symptoms,” the advisory stated. “Repeat TB assessment will be required every eight weeks until the outbreak is resolved.”

“At this time, risk to the general population is low, so these measures are not needed for patients who are not connected to the AHRS outbreak.”

“If you breathe, you can catch TB — so all people are at risk.”

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In the U.S., more than 565 people died from TB in the most recent complete year of official data available, according to the Centers for Disease Control and Prevention.

There is a greater than 10% case fatality rate in San Francisco, per health officials.

Symptoms, diagnosis and treatment

While around 25% of people have likely been infected with the TB bacteria, just 5% to 10% will experience symptoms and develop the disease. Only people with symptoms are contagious.

Those who get sick with TB may experience mild symptoms, including coughing, chest pain, fatigue, weight loss, weakness, fever and night sweats, according to the CDC.

TB is a curable bacterial infection that targets the lungs, but can also infect other organs, according to Johns Hopkins.  (Spencer Platt/Getty Images)

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In addition to the lungs, the disease can also affect the kidneys, spine, skin and brain.

“TB can affect any organ of the body, but it causes disease in the lung in over 80% of cases,” Masae Kawamura, M.D., a former TB control director in San Francisco and a tuberculosis clinician, previously told Fox News Digital. “This is dangerous because it causes cough, the mechanism of airborne spread.”

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In more severe cases, patients may cough up blood, noted Kawamura, who serves on the board of directors of Vital Strategies, a global public health organization. 

“Often, there are minimal symptoms for a long time and people mistake their occasional cough with allergies, smoking or a cold they can’t shake off,” she added.

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A person with a latent infection has been infected with the tuberculosis bacteria, but the bacteria are inactive in the body. (Janice Carr/CDC/AP)

TB can be identified with rapid diagnostic tests. The disease is treated with antibiotics that are taken every day for four to six months, the CDC states. Some of the most common include isoniazid, rifampicin, pyrazinamide and ethambutol.

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Failing to take the complete course of medications can cause the bacteria to become drug-resistant, which would then require treatment with different medications.

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If TB goes untreated, it is fatal in about half of its victims, according to Kawamura. “About 25% recover on their own and another 25% persist as chronic active TB cases,” she said.  

Who is at risk?

“If you breathe, you can catch TB — so all people are at risk,” said Kawamura, who calls TB a “social disease of crowding and mobility.” 

“Since TB is airborne, congregate settings like hospitals, nursing homes, prisons, jails, classrooms and homeless shelters are places TB is more easily spread, especially if multiple risks are involved,” she added.

Those at the highest risk of developing TB disease after exposure include people who have diabetes, have weakened immunity, are malnourished, use tobacco and/or drink excess amounts of alcohol.  (iStock)

Those at the highest risk of developing TB disease after exposure include people who have diabetes, have weakened immunity, are malnourished, use tobacco and/or drink excess amounts of alcohol. Babies and children are also at higher risk.

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The best means of prevention is testing those at risk and treating latent tuberculosis infection, according to the doctor.

Fox News Digital reached out to Archbishop Riordan High School requesting comment.

Health

This everyday drinking pattern could quietly raise liver disease risk

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This everyday drinking pattern could quietly raise liver disease risk

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Top stories

Widespread drinking habit could triple risk of advanced liver condition

Deadly bacterial disease could be stopped by pantry staple

Common vaccine slashes Alzheimer’s disease risk when dose is increased

Even occasional binge drinking could triple the risk of a serious liver condition, a new study suggests. (iStock)

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On the lookout

→ 5 key factors may predict stroke risk years after first event

→ Unexplained shoulder pain could signal dangerous health condition

→ Experts reveal hidden link between poor sleep and Alzheimer’s disease

Monica Deyanira Cabrera Barajas, 26, underwent a 20-minute extraction that turned into a high-stakes medical procedure. (Jam Press)

Conversation starters

→ Woman swallows nose ring, finds it traveled to her lungs

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→ Divorce boom may follow use of Ozempic and other GLP-1 drugs

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On the table

→ Popular food additive linked to higher health risks in adults over 60

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Common vaccine slashes Alzheimer’s disease risk when dose is increased

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Common vaccine slashes Alzheimer’s disease risk when dose is increased

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A new, stronger flu shot could slash Alzheimer’s risk in half, according to new data.

The study, led by researchers at the University of Texas Health Science Center at Houston (UTHealth), found that adults 65 and older who received a high-dose influenza vaccine had a significantly lower risk of developing Alzheimer’s disease compared to those who received the standard dose.

The immune system naturally weakens with age, making older adults less responsive to standard vaccines. To combat this, the Centers for Disease Control and Prevention recommends a high-dose flu vaccine for people over 65. This version is approximately four times stronger than the standard shot.

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Alzheimer’s disease, a brain disorder that slowly destroys memory and thinking skills, affects more than 6 million Americans, most of them age 65 or older.

Dr. Marc Siegel, a Fox News senior medical contributor, weighed in on the impact of the flu shot on Alzheimer’s risk.

Alzheimer’s disease, a brain disorder that slowly destroys memory and thinking skills, affects more than 6 million Americans, most of them age 65 or older. (iStock)

As the vaccine directly affects the immune system, it is possible that this interaction could decrease inflammation in the body and “thereby indirectly decrease Alzheimer’s risk,” Siegel, who was not involved in the research, told Fox News Digital.

“Flu shots and their components do not cross the blood-brain barrier, meaning they aren’t directly affecting brain cells.”

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“We can’t conclude from this that it is the flu shot itself that causes the effect.”

“I was stunned that, as a physician, I didn’t know a higher dose was offered,” lead study author Paul Schulz, professor of neurology at McGovern Medical School at UTHealth, said in a press release.

Schulz also led a previous study linking general flu vaccination to a 40% reduction in Alzheimer’s risk.

While the previous research had already linked general flu vaccination to a reduction in Alzheimer’s risk, this new study looked specifically at the strength of the dose.

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“The public health department had seen our vaccine research and asked if I could come down to talk to them about it,” said Schulz. “We went through the findings, and they asked if there was a difference with different dosages; I was confused.”

Adults who received the quadruple-strength vaccine had a lower risk of Alzheimer’s than those who received the standard dose. (iStock)

After sorting through data from nearly 200,000 older adults, the team found the adults who received the high-dose vaccine had a lower risk of Alzheimer’s than those who received the standard dose.

Adults in the high-dose group had an almost 55% lower risk than those who weren’t vaccinated, significantly outperforming standard-dose protection.

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The protective effect of the high-dose vaccine was even more pronounced in women compared to men, although both groups saw significant benefits.

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This study shows a link, not a cause, the researchers noted.

Experts can’t say for certain that the flu shot itself stopped Alzheimer’s because people who get high-dose vaccines might also have other healthy habits, like better diets or more frequent check-ups.

The study focused on people over 65, so it’s unclear whether getting these shots earlier in life would provide the same level of protection. (iStock)

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The researchers also looked at medical records after the fact, rather than following two controlled groups in real time, which can sometimes result in missing information or biases.

“This is not a cause/effect study,” Siegel reiterated. “We can’t conclude that the flu shot itself causes the effect; it could be something about the people who decide to take this shot.”

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The study also focused on people over 65, so it’s unclear whether getting these shots earlier in life would provide the same level of protection.

“This needs to be further studied, but it is already certainly another reason to take a flu shot,” Siegel added.

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The study was published in the journal Neurology.

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Woman discovers missing nose ring traveled to her lungs, causing month-long cough

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Woman discovers missing nose ring traveled to her lungs, causing month-long cough

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A TikToker in Mexico thought her cough that wouldn’t go away was just a reaction to the changing weather. Instead, it was her own nose ring, lodged deep within her lungs.

The 26-year-old, Monica Deyanira Cabrera Barajas, recently went viral on TikTok, amassing 4.7 million views after revealing the freak medical accident.

In videos, she shared that the stray accessory sat a mere 0.5 millimeters from her aorta, Jam Press reported.

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Deyanira, who has a large number of piercings, didn’t initially notice the jewelry was missing. It wasn’t until she developed a “chronic cough” lasting over a month that she went to see a doctor.

“The only theory I have, which I told the pulmonologist, is that I fell asleep, the little ball fell out, and that was it,” Deyanira told creatorzine.com.

What was supposed to be a routine 20-minute extraction turned into a high-stakes medical procedure. (Jam Press)

“I was lying on my back, I didn’t realize, and that’s how I messed up.”

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What was supposed to be a routine 20-minute extraction turned into a high-stakes medical procedure. During the initial attempt, surgeons were unable to budge the object because it had already begun attaching to her internal tissue.

“It ended up taking an hour and 20 minutes, and they still couldn’t remove it because it was attached to my body,” she said, according to the Jam Press report.

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Facing a second, more invasive surgery and the risk of a fatal hemorrhage, Deyanira prepared for the worst. The night before the surgery, she wrote a farewell letter to her loved ones.

The nose ring was lodged dangerously close to her aorta, the body’s primary artery. (Jam Press)

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“I was honestly thinking, ‘I’m going to die,’” she said. “It’s a horror I wouldn’t wish on anyone.”

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The woman’s surgeon was equally stunned by how close the metal was to her heart. According to Deyanira, the doctor told her, “It seems God takes care of his creatures.”

If the metal had punctured her lung or heart before doctors discovered it, Deyanira said she likely would have died from a lung collapse or perforated aorta.

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Now, the TikToker says her days of septum rings are over.

After the ordeal, Deyanira said she’s permanently done with piercings. (Jam Press)

“I love piercings, and I really liked my septum piercing, but in my case, I wouldn’t get it again because of the terror I experienced,” she said.

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Followers commented that the ordeal “unlocked a fear I didn’t know I had.”

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