Climate change is bringing diseases once considered tropical afflictions to the United States, and new research warns that a parasite spread by sand flies may be the latest to join this growing list.
The Leishmania parasite causes several forms of the disease le...
A potentially deadly infection carried by mosquitoes may be more prevalent than once thought, U.S. health officials report.
Named the Cache Valley virus after the Utah area in which it was first fo...
When the pandemic hit, Dr. Anthony Fauci saw his "worst nightmare" realized. Now, a different worry keeps him up at night: that humanity will forget the lessons learned.
That's the crux of a new editorial penned by Fauci, who became a household name in 2020 after quietly...
Millions of people undergo joint replacement surgery every year. To prevent infection, doctors often give them a second antibiotic -- but new research suggests this can backfire.
Adding a second antibiotic at the time of hip and knee replacement surgery may actually...
Yellow fever may be resurfacing in the United States, thanks to climate change.
The mosquito-borne viral illness decimated southern U.S. cities from 1820 to 1905, and now a new report says it could return to those areas.
One of the potential reasons fo...
New research has uncovered evidence that remnants of the COVID-19 virus may remain in some patients' guts for months, contributing to the lingering symptoms known as long COVID.
The remnants appear to trigger a drop in levels of the chemical serotonin, which may explain ...
THURSDAY, Oct. 12, 2023 (HealthDay News) - Hand, foot and mouth disease is an infectious disease that's highly contagious. Common in children, it spreads quickly at day care centers and schools.
This guide will tell you what you need to know about hand, foot and mouth di...
In rare cases, some patients may develop an autoimmune disease following a bout of COVID, Korean researchers report.
Conditions such as alopecia (hair loss), psoriasis, vitiligo (white skin patches), vasculitis (inflammation of blood vessels), Crohn's disease, ulcerativ...
Croup can be a scary thing for new parents to watch their babies struggle with, so here is a primer on what it is and how to best treat it.
Croup is a common respiratory illness, characterized by a narrowing of the main airway (the trachea), just below the vocal cords. I...
It's time to get the flu shot.
They're important not just for adults, but also for children, and keeping the whole family safe, according to an expert in pediatrics.
Long COVID, a constellation of symptoms that extend past the initial illness, is now a recognized condition.
But researchers say COVID-19 may not be the only respiratory virus that causes these lasting health impacts -- "long colds" may also exist.
"Our findings s...
Recent research has suggested that viruses could play a role in the loss of pancreatic beta cells, which triggers type 1 diabetes.
Now, a new trial finds antiviral medications, when given soon after a child is diagnosed with type 1 diabetes, might help preserve those vi...
The U.S. Centers for Disease Control and Prevention is poised to recommend use of a powerful antibiotic to prevent sexually transmitted infections.
Grandma knew it all along: Certain places on the body are "hot spots" for unhealthy microbes.
That notion -- which the authors of a new study dubbed "the g...
New research shows the COVID-19 virus can directly infect coronary arteries, inflaming fatty plaque inside them, which can increase the risk of heart disease and stroke.
This may explain why some people who get COVID-19 have a greater chance of developing heart disease. ...
Faced with growing reports of inaccurate clinical lab tests, the U.S. Food and Drug Administration on Friday announced that it will for the first time regulate these vital diagnostic tools.
Many Americans might have assumed that the FDA already had oversight of all medic...
The life-threatening infection sepsis was more common than once thought among COVID-19 patients early in the pandemic.
Massachusetts researchers linked SARS-CoV-2, the virus that causes COVID, to about 1 in 6 sepsis cases at five Boston hospitals during the pandemic's fi...
Rabies virus is incurable and almost always fatal once it has invaded the central nervous system, with the victim doomed to suffer a horrible death.
But researchers now think they've found an effective and simple treatment that can cure even advanced cases of rabies.
...New research shows that an antibiotic effective for bacterial pneumonia also appears to fight treatment-resistant staph infections.
The drug is ceftobiprole. It appeared successful in fighting methicillin-resistant staph infections, sometimes called MRSA. It showed simil...
People who develop long COVID have distinct abnormalities in their immune and hormonal function that can be picked up with blood tests, researchers have found.
In a new study of 268 patients with and without long COVID, those with the condition showed a number of biologi...
One in every 14 American adults has suffered from long COVID, a new federal survey has found.
About 7% of adults have ever had long COVID and more than 3% still have it, according to the 2022 National Health Interview Survey.
The survey, published Tuesday as an
Piercings can be a fun way to express yourself, but they can also cause complications -- particularly in areas that aren't the earlobes -- and need proper care.
"The first step to caring for your piercing is choosing a qualified piercer,"said
Women may soon have a vaccine they can take during a pregnancy to help protect their newborn from respiratory syncytial virus (RSV).
Following approval one month ago by the U.S. Food and Drug Administration, the Centers for Disease Control and Prevention on Friday also a...
Americans will once again be able to get free at-home COVID tests.
The U.S. Department of Health and Human Services (HHS) announced Wednesday that it will spend $600 million to buy and offer the tests, produced by 12 domestic manufacturers, and it will begin accepting or...
A deadly infection associated with hospitalization may not be the fault of the hospital, but may instead stem from the patients themselves, a new study suggests.
Infection caused by the bacterium Clostridioides difficile, or C. diff, is still common in hosp...
Kids are back in school and it's time to think about viruses, for both yourself and them.
It could be an early flu season in the United States, if what happened in the Southern Hemisphere offers any insight, according to Cedars-Sinai in Los Angeles.
The flu...
COVID-19 hospitalizations and deaths are gradually increasing in the United States, as two new variants gain a foothold in the nation. And with that rise, more people are looking for COVID test kits.
Hospitalizations rose by nearly 9% and deaths by nearly 11% in late Aug...
When you have COVID-19, when are you most infectious? Researchers are getting closer to an answer, with a new study finding that folks exhale the highest amounts of virus during the first eight days of their illness.
Scientists found that patients exhale quite a bit of ...
You've probably heard of West Nile virus, but mosquitoes spread various other illnesses, too, including the little-known Jamestown Canyon virus (JCV), which is garnering attention across the United States.
For example, health officials in Connecticut have so far identifi...
Two new studies looked to explain an increased risk of respiratory infections like coughs and colds in babies and young children, finding city living to be among the culprits.
Young children who grow up in towns and cities instead of the countryside suffer more respirato...
Patients with hepatitis C should consider being vaccinated again for hepatitis B, because their immune response to the initial shot may be inadequate, a new study suggests.
Researchers at the University of Minnesota Medical School urge those who have hepatitis C to be ch...
Respiratory syncytial virus (RSV) is a common viral infection that affects people of all ages, with infants and older adults being particularly vulnerable to severe complications.
Preventing the spread of RSV requires a multi-pronged approach that includes vaccination, ...
While it doesn't prevent infection altogether, new research shows the mpox vaccine does reduces the severity of disease in those who fall ill from the virus.
An international team of scientists found that those people who had either mpox vaccination or a previous infecti...
Doctors are seeing a spike in severe cases of respiratory syncytial virus (RSV) among young children in Florida and Georgia, U.S. health officials warned Tuesday.
New research on a leading cause of foodborne illness has linked a large share of Michigan infections to antibiotic-resistant bacteria strains.
More than 100 strains of Campylobacter jejuni circulating in Michigan are resistant to at least one antibiotic, accordi...
As waters warm across the United States and hurricanes and flooding season begins, the odds of being infected by flesh-eating bacteria are also rising, U.S. health officials warn.
When new COVID variant BA.2.86 emerged in late July, scientists had concerns about its ability to evade immunity. But early lab tests seem to be easing those fears, as well as concerns over the variant's ability to spread widely.
Also called Pirola, the variant is highly...
Doctors plucked a wriggling roundworm from the brain of an Australian woman in the world's first-known case of human infection with a parasite common in some pythons.
The woman, who had been experiencing worsening symptoms for at least a year, is believed to have gotten ...
A new COVID-19 surge is underway, with seasonal changes and new variants fueling an increase in hospitalizations and deaths.
A new Omicron variant, named Eris, has become dominant in the United States amid signs that an even more highly evolved COVID variant called BA.2....
COVID-19 variants are evolving three times faster in white-tailed deer than in humans, according to a new study.
Deer serve as virus reservoirs, places where a virus thrives and multiplies, making them the perfect host for ongoing mutation.
The virus also appears...
People working in certain jobs had greater risk of being hospitalized for COVID-19, even in the later stages of the pandemic, researchers report.
Bus drivers rank high on that list, with double the risk of being hospitalized compared to lower-contact jobs.
Severa...
Alice Tapper felt deathly ill, suffering from severe abdominal pain, a 102-degree fever and vomiting.
Emergency room doctors found that Alice -- the daughter of CNN anchor Jake Tapper -- ...
Cancer patients with immune systems weakened by treatment are among the groups most concerned about the continued spread of COVID-19 and the chance of the infection becoming severe.
New research suggests more guidance on how often these patients ne...
Millions of Americans swear they're suffering the symptoms of long-haul COVID, but are greeted with eye rolls because they never were formally diagnosed with COVID-19.
Their claims need to be taken more seriously by physicians, a new study argues, because evidence of pri...
Women may soon have a vaccine they can take during a pregnancy to help protect their newborn from respiratory syncytial virus (RSV), following U.S. Food and Drug Administration approval of the shot, called Abrysvo, on Monday
The vaccine is designed to be given to pregnan...
There's been another case of locally acquired malaria in the United States, this time in Maryland, authorities report.
It's the first time this has happened in that state in 40 years.
No evidence connects this case to seven locally acquired infections in Florida ...
People may assume that a COVID-19 infection protects them the next time they encounter the virus, but that's not necessarily true.
A new study of 750 vaccinated seniors living in retirement homes and long-term care facilities found that those infected during the first om...
Public health officials are warning people about the risks of flesh-eating bacterial infections and how to avoid them after the deaths of three older adults on the northeast coast.
Two of the deaths from vibriosis -- an illness caused by the vibrio vulnificus bacter...
New hospitalizations for Americans with severe COVID are climbing once again.
The number of patients being admitted to hospitals has grown for each of the past four weeks, U.S. Centers for Disease Control and Prevention
All infants should receive the new long-acting preventive monoclonal antibody for respiratory syncytial virus (RSV), the nation's leading pediatrics group said.
The American Academy of Pediatrics (AAP) urged that access to the new medication, called nirsevimab, be equita...