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A one-two punch from science has clearly tagged the mononucleosis virus, Epstein-Barr, as a major cause of multiple sclerosis.

The Epstein-Barr virus (EBV) appears to trigger multiple sclerosis (MS) by tricking the immune systems of some into attacking their body's own nerve cells, a new study indicates.

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MONDAY, Dec 27, 2021 (HealthDay News)-- When fully vaccinated cancer patients develop a breakthrough case of COVID-19, most will become seriously ill and end up hospitalized, a new study finds.

The conclusion stems from the experience of 54 cancer patients who developed COVID-19.

Sixty-five percent were hospitalized following infection, while nearly 1 in 5 (19%) were placed on a mec...

Tempting as it is to mingle with friends and relatives, anyone with cancer should take extra precautions this holiday season to avoid COVID-19. Their families also need to be cautious to help protect them, experts say.

Yale Cancer Center reminds people who are living with cancer that the disease and treatments can put a patient at risk for serious illness from the coronavirus, even if th...

Meditation done at an intense level may bring a significant boost to the inner workings of your immune system.

The finding follows a blood sample analysis that took pre- and post-meditation snapshots of genetic activity among more than 100 men and women.

That analysis suggested that

It's a phenomenon first identified in India earlier this year: Patients who have or are recovering from COVID-19 who then contract a sometimes deadly fungal infection known as mucormycosis -- also known as "black fungus."

Now, the U.S. Centers for Disease Control and Prevention said isolated cases...

The U.S. Food and Drug Administration on Wednesday granted emergency approval of a new antibody cocktail to prevent COVID infection in people who have weakened immune systems or who can't tolerate COVID vaccines.

“Vaccines have proven to be the best defense available against COVID-19. However, there are certain immune-compromised individuals who may not mount an adequate immune response...

If you're a patient with a weakened immune system, roll up your sleeves to stay safe over the holidays and winter months.

"Immunocompromised patients absolutely should get a flu shot as well as an additional COVID-19 vaccine dose," said Dr. Marwa Kaisey, a neuroimmunologist and assistant professor of neurology at Cedars-Sinai in Los Angeles.

"Otherwise, they are more likely to have ...

Hospitalized COVID-19 patients who take medications that suppress the immune system don't have a higher risk of severe COVID-19 than those with normal immune systems, a new study finds.

Early in the pandemic, it was feared that people taking immunosuppressive drugs were at increased risk of severe COVID-19 due to their weakened immune systems. The drugs are used to treat cancer and autoim...

A COVID-19 vaccine booster shot gives cancer patients -- especially those with blood cancer -- much-needed protection, new research reports.

"Our study demonstrates in clear terms how the booster shot can make all the difference for some people with compromised immune systems, such as people with cancer," study co-author Dr. Balazs Halmos said in a news release from Montefiore Health Syst...

Here's some comforting news for people who struggle with inflammatory bowel disease and worry that the immune-suppressing drugs they must take might blunt their response to COVID-19 vaccines: New research finds vaccination triggers a strong immune reaction in these patients.

"At eight weeks, following completion of a two-dose mRNA vaccine series, 99% of patients had detectable antibodies ...

Transplant patients and certain other folks may need four shots of COVID-19 vaccine for optimal protection, new research suggests.

People with weakened immune systems who've received both doses of two-dose COVID-19 vaccines aren't adequately protected against severe illness. They should be given a third shot plus a booster, according to the study.

"These findings indicate that while...

Severely immunocompromised people may require a fourth mRNA coronavirus shot, the U.S. Centers for Disease Control and Prevention says.

The agency didn't provide an official recommendation about a fourth shot in its updated guidelines, but did say that people should talk to their doctors to determine if one is necessary, CNN reported.

In August, the CDC authorized a third d...

Nine of 10 patients with so-called "bubble boy" immune disease who received gene therapy about a decade ago are still disease-free, researchers report.

The gene therapy was developed at the University of California, Los Angeles (UCLA), to treat the rare and deadly immune system disorder formally known as adenosine deaminase--deficient severe combined immunodeficiency (ADA-SCID).

It'...

A study of millions of people vaccinated against COVID-19 has identified those at greatest risk of hospitalization and death after breakthrough infection.

The most vulnerable are those who are immunosuppressed from chemotherapy, a recent bone marrow or solid organ transplant, or HIV/AIDS. Also at risk are people with neurological disorders (such as dementia and Parkinson's disease), nur...

People with HIV have an increased risk of sudden cardiac death, a new study warns, especially if the virus isn't well-controlled.

Sudden cardiac death occurs when the heart unexpectedly stops beating, usually due to an abrupt electrical malfunction.

"People living with HIV are already known to have a higher risk of heart attack, stroke, heart failure, blood clots in the lungs and pe...

An alliance of leading U.S. cancer centers has updated guidance about COVID-19 vaccine boosters for cancer patients and the people around them.

The National Comprehensive Cancer Network's new recommendations are intended for health care providers.

"COVID-19 can be very dangerous, especially for people living with cancer, which is why we're so grateful for safe and effective vaccines...

COVID-19 vaccines trigger antibody production in most people who have weakened immune systems, but a new study reveals that their responses are weaker than in healthy people.

"Some of our patients have been hesitant about getting vaccinated, which is unfortunate because they are at increased risk of having more severe cases of COVID-19 if they happen to get infected, compared to those not...

The U.S. Food and Drug Administration on Thursday authorized a third "booster" shot of coronavirus vaccines for people with weakened immune systems, as the highly contagious Delta variant continues to surge across the country.

Expanding the emergency use of the Pfizer and Moderna vaccines should help protect those patients who are considered most vulnerable to COVID-19 infection. The auth...

The U.S. Food and Drug Administration plans on Thursday to authorize a third "booster" shot of coronavirus vaccine for people with weakened immune systems, as the highly contagious Delta variant surges across the country.

Expanding the emergency use of the Pfizer and Moderna vaccines should help protect those patients who are considered most vulnerable to COVID-19 infection and most likel...

A third dose of a two-shot COVID vaccine significantly boosts transplant patients' protection against SARS-CoV-2, according to a new study.

"We knew from previous studies that two doses were not enough to produce a good immune response against COVID-19 in transplant patients," said study co-senior author Dr. Deepali Kumar. She is director of transplant infectious diseases at the Universit...

In a first, researchers have used genetically tweaked immune system cells to send a woman's severe lupus into remission.

The treatment -- called CAR T-cell therapy -- is already approved in the United States for fighting certain cases of blood cancer. It involves removing a patient's own immune system T-cells, genetically altering them to target the cancer, then infusing them back into th...

Giving a third dose of COVID-19 vaccines to adults with weakened immune systems -- the immunocompromised -- will be up for discussion during a U.S. Centers for Disease Control and Prevention advisory panel meeting next week.

At the meeting scheduled for July 22, the Advisory Committee on Immunization Practices will focus on the 2% to 4% of U.S. adults with weakened immune systems. These i...

Here's some reassuring news for parents: Most heart problems in children with a rare inflammatory condition triggered by COVID-19 infection resolve within a few months, a new study finds.

Multisystem inflammatory syndrome in children (MIS-C) causes inflammation throughout the body, and many patients develop a range of non-respiratory symptoms such as abdominal pain, skin rashes, heart abn...

COVID-19 vaccinations may not offer as much protection to people with compromised immune systems, but just how much appears to be driven by the type of underlying condition, new research suggests.

"People with conditions that compromise their immune systems exhibit a wide spectrum of antibody responses to COVID-19 vaccination, ranging from only 1 in 5 lung transplant patients having an a...

An experimental drug can prevent intestinal damage caused by celiac disease, an early trial has found -- raising hopes that it could become the first medication for the serious digestive disorder.

With celiac disease, the immune system attacks the lining of the small intestine when a genetically susceptible person eats gluten -- a protein found in wheat, rye and barley.

The symptoms...