Health
More patients demand ‘unvaccinated’ blood, doctors warn of growing health risks
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An increasing number of patients are requesting “unvaccinated” blood for transfusions, which can delay care and pose risks to patients’ health, experts warn.
There is no evidence that unvaccinated blood presents any safety benefit, according to a new study published in the journal Transfusion.
There is currently no process for checking whether donated blood comes from vaccinated or unvaccinated donors, experts say.
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Vanderbilt University in Tennessee, which conducted the research, received 15 requests for unvaccinated blood between Jan. 1, 2024, and Dec. 31, 2025. The median age of patients was 17 years old and more than half were children, the university reported.
An increasing number of patients are requesting “unvaccinated” blood for transfusions, which can delay care and pose risks to patients’ health, experts warn. (iStock)
Thirteen of the patients received blood donated specifically for them by family members, which is known as “direct donation.” This can be risky, because most direct donors are giving blood for the first time, and their donations are more likely to contain “potentially harmful pathogens,” the authors noted.
“Despite being framed as ‘safer,’ directed donations may paradoxically increase risk.”
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Among the studied patient group, two became much sicker after refusing a standard blood transfusion.
One patient developed anemia, a condition where the body lacks enough healthy red blood cells to carry adequate oxygen. The other developed hemodynamic shock, a serious condition in which there is insufficient blood flow and oxygen to the body’s tissues, potentially leading to organ failure.
“Despite being framed as ‘safer,’ directed donations may paradoxically increase risk.”
Requests for unvaccinated blood spiked after the approval of COVID-19 vaccines, posing a “recurring challenge for transfusion services and clinicians,” the researchers stated.
“These requests were associated with care delays, escalation and inefficiencies,” they indicated.
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The researchers recommend that health systems create standardized policies to handle these types of requests.
“Regulatory and professional organizations have opposed these non-evidence-based policies, emphasizing that blood centers do not record or convey donor COVID-19 vaccination status and that evidence demonstrates transfusion from vaccinated donors poses no unique risk.”
Requests for unvaccinated blood spiked after the approval of COVID-19 vaccines, posing a “recurring challenge for transfusion services and clinicians,” the researchers stated. (Reuters/Dado Ruvic/Illustration/File Photo)
The Vanderbilt study had some limitations, the researchers noted. It looked at a small number of cases and only included situations where special blood donations made it to the blood bank, so it doesn’t show how often people made this request overall.
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It also didn’t include cases where concerns were resolved through conversations with doctors or ethics teams, the team noted.
As this was an observational study and not a controlled experiment, it only showed an association and could not prove that refusing standard blood directly caused any specific patient outcomes.
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Several states have introduced proposals aimed at allowing patients to receive blood specifically from donors who have not received COVID-19 vaccines.
In Oklahoma, one such proposal called for the creation of a state-run blood bank dedicated to collecting and distributing blood from unvaccinated donors. Despite these efforts, none of the measures have been enacted into law.
The notion that receiving blood from someone who had the vaccine would be harmful is not based on any scientific studies, doctors say. (iStock)
Dr. Marc Siegel, Fox News senior medical analyst, was not involved in the research, but said these types of requests are “part of an ongoing fear culture.”
“It is also very difficult to test for, because the antibodies may be positive from COVID itself as well as the vaccine, and it can be difficult to tell the difference,” he told Fox News Digital.
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The notion that receiving blood from someone who had the vaccine would be harmful is not based on any scientific studies, the doctor reiterated.
“If people want to group up to get blood from other unvaccinated people, I respect that choice, though it will be expensive and will limit options,” Siegel added.
“Requests for unvaccinated blood are something we’ve seen wax and wane since the introduction of the COVID vaccine,” an expert said. (iStock)
Diane Calmus, vice president of government affairs for America’s Blood Centers in Washington, D.C., said that requests for direct donations are “exceedingly rare” – representing about 0.06% of the U.S. blood supply.
“Requests for unvaccinated blood are something we’ve seen wax and wane since the introduction of the COVID vaccine,” Calmus, who also was not involved in the Vanderbilt study, told Fox News Digital. “The challenge is that there’s no way to tell whether someone’s blood has been vaccinated – there’s no test that exists.”
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Any situation where someone requires a blood transfusion is most likely a “very scary time,” she noted.
“Family members want to be cautious, and this is why it’s so important that people talk to a transfusion medicine-trained doctor,” the expert advised. “These are physicians who have a specialty in blood transfusions … and who can answer those questions that any individual will have.”
“Blood has to be prescribed. You can’t just show up at the blood center and say, ‘I would like my sister to donate for me,’” an expert said. (iStock)
Calmus pointed out that it takes some time to facilitate a direct donation, and that there is a specific process in place.
“Blood has to be prescribed. You can’t just show up at the blood center and say, ‘I would like my sister to donate for me,’” she said. “There needs to be a prescription. It needs to go through the hospital … they need to make sure it is the right blood for the right patient.”
“We need people – vaccinated or not vaccinated – to show up and donate blood, because it is the blood on the shelves that saves lives.”
Calmus emphasized that the U.S. blood supply is “meticulously tracked,” and that there have been no indications of a lack of safety. She also stressed the ongoing need for blood donors.
“We need people – vaccinated or not vaccinated – to show up and donate blood, because it is the blood on the shelves that saves lives.”
Fox News Digital reached out to the Vanderbilt researchers for comment.
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Research continues to uncover new details on how fasting may help extend life.
A new study published in the journal Nature Communications investigated how intermittent fasting can boost longevity in small worms often used in aging research.
Researchers from the University of Texas Southwestern Medical Center in Dallas compared worms that were fed normally to those that underwent a 24-hour fast in early adulthood and were then fed again, according to a press release.
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The scientists measured a variety of factors, including stored fat, gene activity related to fat metabolism and lifespan.
The results showed that the life-boosting benefit did not depend on the fasting itself but on the body’s behavior after eating again.
Experts say sustainability is key when choosing a long-term weight-loss strategy. (iStock)
Study lead Peter Douglas, associate professor of molecular biology and a member of the Hamon Center for Regenerative Science and Medicine at UT Southwestern, suggested that these discoveries “shift the focus toward a neglected side of the metabolic coin – the re-feeding phase.”
“Our data suggest that the health-promoting effects of intermittent fasting are not merely a product of the fast itself, but are dependent on how the metabolic machinery recalibrates during the subsequent transition back to a fed state,” he said.
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“Our findings bridge a gap between lipid metabolism and aging research,” he added. “By targeting aging, the single greatest risk factor for human disease, we move beyond treating isolated conditions toward a preventive model of medicine that enhances quality of life for all individuals.”
Lauri Wright, director of nutrition programs at the University of South Florida’s College of Public Health, called this a “high-quality” study that adds an “important nuance to how we think about fasting and longevity.”
Intermittent fasting typically involves limiting meals to an eight-hour daily window or fasting every other day. (iStock)
The benefits of the refeeding phase after fasting were “especially interesting,” Wright, who was not involved in the study, told Fox News Digital.
“The researchers showed that longevity was linked to the body’s ability to turn off fat breakdown after fasting, allowing cells to restore energy balance,” she reiterated.
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“From a scientific standpoint, that’s a meaningful shift because it suggests fasting is not just about burning fat, but about metabolic flexibility.”
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Fasting may support longevity through triggering metabolic switching, enhancing cellular repair and stress resistance and improving markers like insulin sensitivity, research shows.
Limitations and cautions
Although this study provides “important insight” on the power of refeeding, Wright noted that the findings should be approached with caution, as the study was done on worms and cannot always be translated to humans.
“Additionally, it explains how a process might work in a controlled lab condition rather than real-world eating behaviors,” she added as a limitation. “Finally, the study is short-term and doesn’t give us the long-term translation on lifespan outcomes.”
The review found intermittent fasting was barely more effective than doing nothing, according to the study authors. (iStock)
Wright cautioned that fasting is “not a magic solution for longevity, and how you eat overall matters more than when you eat.”
“I advise, first and foremost, to focus on diet quality, including a variety of fruits and vegetables, healthy fats and minimally processed foods,” she said.
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For those who are considering fasting, it’s better to stick with a moderate plan — like a 12- to 14-hour overnight fast — rather than going to extremes, Wright said. After fasting, she recommends focusing on well-balanced meals.
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Several groups of people should be cautioned against fasting, according to Wright, including those with diabetes who are on insulin or hypoglycemic medications, those who are pregnant or breastfeeding, anyone with a history of eating disorders and older adults at risk of malnutrition.
Anyone considering intermittent fasting should consult with a doctor before starting.
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More than three million people travel to undergo cosmetic surgery each year, statistics show — but the potential savings come at a cost.
Most people opting to pursue this so-called “medical tourism” are chasing budget-friendly price tags.
International surgeries, such as hair transplants in Turkey, can cost as little as $4,000 to $5,000 compared to $20,000 to $30,000 in the U.S., but often come with extreme risks, according to board-certified plastic surgeon Dr. Sheila Nazarian of California.
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The doctor recently joined Lisa Brady on the “The FOX News Rundown” podcast to discuss the rising trend of medical tourism. One of the biggest risks, she said, is the lack of safety regulations in popular destinations like Mexico and Turkey.
As demand spikes in these medical tourism “mills,” there have been reports of non-medically trained staff performing procedures like hair transplants.
Most people opting to pursue “medical tourism” are chasing budget-friendly price tags. (iStock)
“I’ve heard that they [international clinics] are even recruiting people who maybe were taxi drivers and then putting them through their own training program … to become hair transplant technicians,” Nazarian said. “That’s how high the demand has become.”
In the U.S., medical school graduates are granted a “physician and surgeon” license, which means doctors — including pediatricians or OB-GYNs — can legally perform cosmetic surgeries, even if they didn’t receive specialized training for those procedures during residency, Nazarian noted.
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Instead of pinching pennies, the doctor recommended paying whatever amount is necessary to ensure quality treatment.
“People think of it as, you know, going to the mall. … It’s surgery, and surgery has risks,” she said. “You need to be with someone who not only can perform a beautiful surgery, but who can handle possible complications well.”
“You need to ask them: ‘What was your residency training in? And if you wanted to, would you be allowed to do this procedure in a hospital?’”
Aftercare is another critical factor in the success and safety of a cosmetic procedure, as the doctor emphasized that 20% of a surgical result depends on post-operative care.
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This can be difficult or even impossible to manage when a doctor is in a different time zone, she cautioned, or if the clinic disappears shortly after the procedure.
Nazarian also noted the importance of addressing the psychological component of plastic surgery, noting that no procedure will fix underlying unhappiness. The doctor said she uses screening questionnaires to ensure that patients are truly seeking self-improvement rather than a “cure” for deeper issues.
International surgeries, such as hair transplants in Turkey, can cost as little as $4,000 to $5,000 compared to $20,000 to $30,000 in the U.S., but often come with extreme risks. (iStock)
“If you’re not already generally very content with your life, a knife in my hand is not going to bring you there,” Nazarian said.
“The analogy I always give is you don’t want a paisley couch — you want a neutral couch and you can put paisley pillows on it,” she said, noting that a procedure should “make you look normal, God-given, athletic. And then you can change your clothes when the trends come and go.”
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Samuel Golpanian, M.D., a double board-certified plastic surgeon in Beverly Hills, said he has also seen an increasing number of patients undergoing cosmetic procedures abroad, sometimes with “devastating consequences.”
“The key is being extremely careful before embarking on this journey.”
“I’ve seen a wide range of complications, including infections, poor wound healing, significant scarring and tissue necrosis (skin death),” he told Fox News Digital. “These complications often lead to prolonged pain, ongoing medical problems, and significant additional costs to repair the damage.”
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Golpanian said he’s treated patients who received unsafe or non-medical-grade injectable materials, which can lead to serious long-term health issues.
One surgeon said he’s treated patients who received unsafe or non-medical-grade injectable materials, which can lead to serious long-term health issues. (iStock)
“I’ve also seen damage to underlying structures, asymmetry and results that are extremely difficult — sometimes impossible — to correct.”
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“That said, I’ve also seen some good outcomes, so it’s not all bad,” he noted. “The key is being extremely careful before embarking on this journey.”
Quick tips for safe ‘medical tourism’
Fully vet the surgeon. “Most surgeons will provide information about their education and training, but it’s important not to accept these claims at face value,” Golpanian said. “Verify them directly by contacting the institutions where they trained.”
Ask for references from prior patients. Ideally, it’s best to get references from U.S.-based patients who can speak candidly about both their experience and their results, the surgeonsaid.
Think beyond the cost. Golpanian emphasized the adage “you get what you pay for.” “Cost should take a back seat to experience, training, judgment and proven results,” he advised.
Be cautious about relying on before-and-after photos. These can be selective or even enhanced, Golpanian warned.
Keep aftercare in focus. “Make sure the practice emphasizes comprehensive follow-up care and has a clear, realistic post-operative plan in place.”
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