Stress Might Age the Immune System, New Study Finds

Here’s what the results may mean for you.

#age-chronological, #anxiety-and-stress, #content-type-service, #discrimination, #immune-system, #proceedings-of-the-national-academy-of-sciences, #research

A Better Way to Measure Immunity in Children

Some scientists believe that a clearer picture of Covid vaccine efficacy could have emerged sooner if investigators had tracked certain immune cells, not just antibodies.

#antibodies, #biontech-se, #children-and-childhood, #clinical-trials, #coronavirus-2019-ncov, #immune-system, #moderna-inc, #parenting, #pfizer-inc, #tests-medical, #vaccination-and-immunization, #your-feed-science

You Can Get Covid Again. Here’s What to Know About Reinfection.

Some reinfection questions, answered.

#content-type-service, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #immune-system, #long-covid, #research, #vaccination-and-immunization

Reprogrammed Cells Attack and Tame Deadly Cancer in One Woman

Another patient who had the same treatment did not survive. But the demonstration of the technique could help with other cancers.

#immune-system, #new-england-journal-of-medicine, #pancreatic-cancer, #research

Long Covid Symptoms and Treatment: What We Know So Far

There is no universal definition of the complex condition, but clues about causes and potential treatments are beginning to emerge.

#chronic-condition-health, #clinical-trials, #content-type-service, #coronavirus-2019-ncov, #immune-system, #long-covid, #molnupiravir-drug, #paxlovid-drug, #research, #tests-medical, #vaccination-and-immunization

Why Do I Feel Sick Before My Period?

Researchers don’t fully understand the menstrual cycle’s effects on the immune system, but experts say there are reasons some may feel sick at certain points.

#asthma, #autoimmune-diseases, #content-type-service, #estrogen, #immune-system, #menstruation

Did Faulty Assumptions Dash Parents’ Hope for an Under-5 Vaccine?

The under-5 Covid vaccine should be approved.

#centers-for-disease-control-and-prevention, #children-and-childhood, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #coronavirus-risks-and-safety-concerns, #disease-rates, #food-and-drug-administration, #immune-system, #masks, #moderna-inc, #pfizer-inc, #tests-medical, #vaccination-and-immunization

In the Rush to Return, What Happens to the Vulnerable?

We need a new normal.

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #immune-system

Having Covid Can Be Confusing. Here’s What to Expect

Having Covid can be a wildly confusing experience. But you can still make a plan to get through the course of illness.

#content-type-service, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #coronavirus-risks-and-safety-concerns, #immune-system, #tests-medical, #vaccination-and-immunization

Why a Coronavirus-Flu ‘Twindemic’ May Never Happen

Scientists are exploring a theory suggesting that exposure to one respiratory virus helps the body fend off competing pathogens.

#colds, #coronavirus-2019-ncov, #immune-system, #influenza, #seasons-and-months, #united-states, #viruses, #your-feed-science

What a Negative Result Means on At-Home Covid Tests

If you have symptoms but get a negative home test result, you may need to keep taking precautions and test again (and again).

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #immune-system, #tests-medical

Should You Get a 4th Covid Shot?

Experts say that the most vulnerable would benefit from a second booster soonest.

#antibodies, #content-type-service, #coronavirus-2019-ncov, #elderly, #immune-system, #pfizer-inc, #vaccination-and-immunization

New Vaccine Findings Pose Tough Questions for Parents of Young Children

The F.D.A. temporarily halted efforts to authorize the Pfizer-BioNTech vaccine for young children amid several unexpected findings. The coming weeks should bring clarity.

#centers-for-disease-control-and-prevention, #children-and-childhood, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #food-and-drug-administration, #immune-system, #moderna-inc, #parenting, #pfizer-inc, #protective-clothing-and-gear, #teenagers-and-adolescence, #united-states, #vaccination-and-immunization, #your-feed-science

Antibody Drug to Protect the Vulnerable From Covid Goes Unused

The treatment could be lifesaving for many who cannot get protection from the vaccine, but confusion about the drug has made some doctors slow to prescribe it.

#antibodies, #astrazeneca-plc, #chronic-condition-health, #coronavirus-2019-ncov, #drugs-pharmaceuticals, #immune-system, #shortages, #transplants, #united-states-politics-and-government

How the Coronavirus Steals the Sense of Smell

The virus does not infect nerve cells that detect odors, researchers have found. Instead, it attacks nearby supporting cells.

#cell-journal, #chronic-condition-health, #columbia-university, #coronavirus-2019-ncov, #immune-system, #new-york-university-langone-health, #proteins, #smell-olfaction, #smells-and-odors, #university-of-california-davis, #your-feed-science

Got a Covid Booster? You Probably Won’t Need Another for a Long Time

A flurry of new studies suggest that several parts of the immune system can mount a sustained, potent response to any coronavirus variant.

#coronavirus-2019-ncov, #coronavirus-omicron-variant, #immune-system, #vaccination-and-immunization, #your-feed-healthcare

He Could Barely Walk, and He Was Seeing Double. What Was Wrong?

Could he be having a stroke — or was it something more unusual?

#coughs, #immune-system, #skin-cancer, #stroke, #tests-medical, #tumors

A Woman Is Cured of H.I.V. Using a Novel Treatment

She’s the third person ever to be cured. Researchers announced that the new approach holds the potential for curing more people of racially diverse backgrounds.

#acquired-immune-deficiency-syndrome, #bone-marrow, #immune-system, #race-and-ethnicity, #research, #stem-cells, #your-feed-science

The Next Vaccine Debate: Immunize Young Children Now, or Wait?

It’s not clear whether three doses of the Pfizer-BioNTech vaccine will adequately protect young children. But the F.D.A. may authorize the first two doses anyway.

#biontech-se, #children-and-childhood, #clinical-trials, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #drugs-pharmaceuticals, #food-and-drug-administration, #immune-system, #pfizer-inc, #united-states, #vaccination-and-immunization, #your-feed-science

Exercise May Enhance the Effects of a Covid or Flu Shot

A 90-minute walk, jog or bike ride after getting vaccinated may boost your body’s immune response.

#antibodies, #coronavirus-2019-ncov, #exercise, #immune-system, #influenza, #vaccination-and-immunization

How Long After Having Covid Can I Get a Booster Shot?

The immunity you gain after a Covid-19 infection might not be enough to fend off the virus again. Here’s what to know.

#antibodies, #booster, #content-type-service, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #coronavirus-risks-and-safety-concerns, #immune-system, #vaccination-and-immunization

Why Nasal Covid Vaccines May Make Better Boosters

Nasal vaccines under development around the world may make better boosters by stopping the coronavirus in the airways.

#antibodies, #bharat-biotech-ltd, #biotechnology-and-bioengineering, #coronavirus-2019-ncov, #disease-rates, #hyderabad-india, #immune-system, #nose, #vaccination-and-immunization, #your-feed-science

A Cancer Treatment Makes Leukemia Vanish, but Creates More Mysteries

Two early recipients of CAR T immunotherapy were free of a blood cancer nearly a decade after receiving the therapy.

#cancer, #clinical-trials, #immune-system, #immunotherapy, #leukemia, #nature-journal, #research, #your-feed-health, #your-feed-science

When Omicron Isn’t So Mild

For those with underlying medical conditions, the latest pandemic wave has still posed a threat.

#centers-for-disease-control-and-prevention, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #hospitals, #immune-system, #respiratory-diseases, #vaccination-and-immunization, #ventilators-medical, #your-feed-healthcare

How Does Getting a Breakthrough Covid Case Affect My Immunity?

As Omicron cases skyrocket, more vaccinated people may get “hybrid” immunity after a breakthrough infection. But experts still encourage precautions.

#antibodies, #content-type-service, #coronavirus-2019-ncov, #coronavirus-delta-variant, #coronavirus-omicron-variant, #disease-rates, #immune-system, #vaccination-and-immunization

After Omicron, This Pandemic Will Be Different

Future surges will be less likely to make us seriously ill.

#coronavirus-2019-ncov, #coronavirus-omicron-variant, #immune-system

Epstein-Barr Virus May Play Role in Multiple Sclerosis Development

In a study of members of the Armed Forces, people who developed multiple sclerosis first had Epstein-Barr virus.

#epstein-barr-virus, #immune-system, #multiple-sclerosis, #research, #science-journal, #viruses, #your-feed-health

A very common virus may be the trigger for multiple sclerosis

This photomicrograph depicts leukemia cells that contain Epstein Barr virus using an FA staining technique, 1972. Epstein-Barr virus, EBV, is a member of the Herpesvirus family and is one of the most common human viruses.

Enlarge / This photomicrograph depicts leukemia cells that contain Epstein Barr virus using an FA staining technique, 1972. Epstein-Barr virus, EBV, is a member of the Herpesvirus family and is one of the most common human viruses. (credit: Getty | CDC)

Evidence is mounting that a garden-variety virus that sometimes causes mono in teens is the underlying cause of multiple sclerosis, a rare neurological disease in which the immune system attacks the brain and spinal cord, stripping away protective insulation around nerve cells, called myelin.

It’s still unclear how exactly the virus—the Epstein-Barr virus (EBV)—may trigger MS and why MS develops in a tiny fraction of people. About 95 percent of adults have been infected with EBV, which often strikes in childhood. MS, meanwhile, often develops between the ages of 20 and 40 and is estimated to affect around one million people in the US. Yet, years of evidence have consistently pointed to links between the childhood virus and the chronic demyelinating disease later in life.

With a study published today in Science, the link is stronger than ever, and outside experts say the new findings offer further “compelling” evidence that EBV isn’t just connected to MS; it’s an essential trigger for the disease. The study found, among other things, that people had a 32-fold increase in risk of developing MS following an EBV infection in early adulthood.

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#b-cells, #ebv, #epstein-barr-virus, #immune-system, #immunology, #infection, #ms, #multiple-sclerosis, #myelin, #neurological-disease, #science

Flu and Covid at the Same Time? Your ‘Flurona’ Questions, Answered

Yes, you can get “flurona.” But it’s probably not as bad as it sounds.

#children-and-childhood, #content-type-service, #coronavirus-2019-ncov, #immune-system, #influenza, #tests-medical, #vaccination-and-immunization

Will ‘Forever Boosting’ Beat the Coronavirus?

Everyone should get a booster shot. In the long run, though, doses every few months aren’t a viable public health strategy, scientists say.

#centers-for-disease-control-and-prevention, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #disease-rates, #immune-system, #israel, #united-states, #vaccination-and-immunization, #your-feed-science

More People Are Getting Unapproved Fourth Doses of the Covid-19 Vaccine

People with compromised immune systems are getting unapproved fourth or fifth Covid-19 shots, despite uncertainty about their safety or effectiveness.

#antibodies, #centers-for-disease-control-and-prevention, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #food-and-drug-administration, #immune-system, #vaccination-and-immunization, #wachter-robert-m

Omicron Doesn’t Infect the Lungs Very Well, Animal Studies Find

Compared with earlier variants, Omicron may cause less damage to the lungs, new animal research suggests.

#animals, #coronavirus-delta-variant, #coronavirus-omicron-variant, #immune-system, #lungs, #mice, #research, #your-feed-science

Most of the World’s Vaccines Likely Won’t Prevent Infection From Omicron

They do seem to offer significant protection against severe illness, but the consequences of rapidly spreading infection worry many public health experts.

#coronavirus-2019-ncov, #coronavirus-omicron-variant, #disease-rates, #immune-system, #preventive-medicine, #research, #rna-ribonucleic-acid, #vaccination-and-immunization

Vaccines Prevent Severe Disease From Omicron, New Studies Say

In the lab, immune cells put up a strong fight against Omicron, suggesting that vaccines will be able to prevent the worst outcomes of the virus variant.

#antibodies, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #fauci-anthony-s, #immune-system, #preventive-medicine, #vaccination-and-immunization, #your-feed-science

Omicron Threatens the Old. Nursing Homes Must Act Now.

Whatever the variant may mean for the young, it’s already clear that it can be deadly for the old.

#coronavirus-2019-ncov, #coronavirus-omicron-variant, #elder-care, #elderly, #immune-system, #nursing-homes, #retirement-communities-and-assisted-living, #vaccination-and-immunization

The Coronavirus Attacks Fat Tissue, Scientists Find

The research may help explain why people who are overweight and obese have been at higher risk of severe illness and death from Covid.

#coronavirus-2019-ncov, #disease-rates, #fat-tissue, #immune-system, #obesity, #weight, #your-feed-science

The Variant Hunters: Inside South Africa’s Effort to Stanch Dangerous Mutations

Scientists in a cutting-edge laboratory do part of the work. Local health workers on foot do the rest.

#acquired-immune-deficiency-syndrome, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #immune-system, #laboratories-and-scientific-equipment, #research, #south-africa, #vaccination-and-immunization

Omicron Variant Spreading Twice as Quickly as Delta in South Africa

A new mathematical analysis strengthens concerns about the effects of the new variant on the pandemic’s course.

#coronavirus-2019-ncov, #coronavirus-delta-variant, #coronavirus-omicron-variant, #disease-rates, #immune-system, #south-africa, #vaccination-and-immunization, #your-feed-science

Omicron Prompts Swift Reconsideration of Boosters Among Scientists

Many public health experts were opposed to a boosters-for-all approach. The new variant is changing some minds.

#coronavirus-2019-ncov, #coronavirus-omicron-variant, #disease-rates, #immune-system, #third-world-and-developing-countries, #united-states, #vaccination-and-immunization, #your-feed-science

What We Know About the New Covid Variant, Omicron

Intense research into the new coronavirus variant first identified in southern Africa, has just begun. World leaders have urged people not to panic — and to get vaccinated, if they can.

#antibodies, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #coronavirus-risks-and-safety-concerns, #disease-rates, #immune-system, #names-organizational, #travel-warnings, #vaccination-and-immunization, #world-health-organization

Will the Vaccines Stop Omicron? Scientists Are Racing to Find Out.

A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.

#africa, #coronavirus-2019-ncov, #coronavirus-omicron-variant, #disease-rates, #drugs-pharmaceuticals, #europe, #immune-system, #north-america, #travel-warnings, #vaccination-and-immunization, #your-feed-science

Covid Vaccine Policy Should Consider ‘Hybrid Immunity’

Should children who have had Covid-19 get a single vaccine dose?

#coronavirus-2019-ncov, #immune-system, #vaccination-and-immunization

How to Decide Which Covid Booster Shot to Get

Health officials approved mix-and-match Covid booster shots, but didn’t say whether it’s better to switch vaccines or stick with your original shot.

#content-type-service, #coronavirus-2019-ncov, #drugs-pharmaceuticals, #immune-system, #vaccination-and-immunization

Your Questions About Covid Vaccine Dosage for Children, Answered

We turned to five experts to answer these frequently-asked questions.

#children-and-childhood, #coronavirus-2019-ncov, #immune-system, #vaccination-and-immunization

C.D.C. Recommends Covid Booster Shots for Millions of Americans

Recipients of the Moderna and the J.&J. vaccines may receive extra doses, although the shots continue to prevent illness and death.

#advisory-committee-on-immunization-practices, #biontech-se, #centers-for-disease-control-and-prevention, #coronavirus-2019-ncov, #disease-rates, #immune-system, #johnsonjohnson, #moderna-inc, #pfizer-inc, #united-states-politics-and-government, #vaccination-and-immunization, #your-feed-science

Mix-and-Match Covid Boosters: Why They Just Might Work

The F.D.A. may authorize booster shots of vaccines different from the ones that Americans originally received. The science behind the move is promising.

#antibodies, #clinical-trials, #coronavirus-2019-ncov, #drugs-pharmaceuticals, #food-and-drug-administration, #immune-system, #johnsonjohnson, #moderna-inc, #pfizer-inc, #vaccination-and-immunization

What Scientists Know About the Risk of Breakthrough Covid Deaths

Deaths among people who have been fully vaccinated remain rare, but older adults and those with compromised immune systems are at much higher risk.

#antibodies, #cancer, #coronavirus-2019-ncov, #disease-rates, #immune-system, #multiple-myeloma, #multiple-myeloma-research-foundation, #powell-colin-l, #vaccination-and-immunization, #your-feed-health, #your-feed-science

What the Future May Hold for the Coronavirus and Us

Viral evolution is a long game. Here’s where scientists think we could be headed.

#antibodies, #coronavirus-2019-ncov, #coronavirus-delta-variant, #coronavirus-risks-and-safety-concerns, #evolution-biology, #garry-robert, #genetics-and-heredity, #gounder-celine, #immune-system, #influenza, #sars-severe-acute-respiratory-syndrome, #vaccination-and-immunization, #wuhan-china, #your-feed-health, #your-feed-science

If You’ve Had Covid, Do You Need the Vaccine?

So-called natural immunity varies from patient to patient, scientists say. Immunization is still the best choice after recovering from the disease.

#antibodies, #coronavirus-2019-ncov, #disease-rates, #immune-system, #vaccination-and-immunization, #your-feed-science

Pregnant Women Should Get the Covid-19 Vaccine

Pregnant women should get a Covid-19 vaccine. 

#babies-and-infants, #coronavirus-2019-ncov, #immune-system, #pregnancy-and-childbirth, #vaccination-and-immunization