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Results for search "Viruses".

Health News Results - 129

WEDNESDAY, May 15, 2019 (HealthDay News) -- Ever wonder why the flu rarely strikes in the summer?

New research offers an explanation: That dry air your heating system sends throughout your home in the winter weakens your immune system, making you a prime target for viral infection.

Cold temperatures and low humidity were known to increase transmission of flu viruses, but ex...

THURSDAY, May 9, 2019 (HealthDay News) -- The virus that gave you chickenpox as a kid can rise again after decades of inactivity and inflict a painful, even blinding, eye infection in old age.

New research reveals that cases of eye-based "shingles" have tripled since 2004.

Exactly what is driving the increase remains unclear. What is clear, however, is that either of two vac...

WEDNESDAY, May 8, 2019 (HealthDay News) -- Viruses and bacteria are the culprits behind the infectious diseases that plague humans. Researchers recently turned one against the other, using viruses to wipe out a potentially life-threatening bacterium in a 15-year-old girl with cystic fibrosis.

This old-time approach to battling bacterial infections might be worth another look in these ...

TUESDAY, April 23, 2019 (HealthDay News) -- What looked like a mild flu season in December has turned into the longest flu season in five years, U.S. health officials report.

The season is so prolonged because two waves of flu viruses hit one after the other, making it like two flu seasons in one.

"Those two waves together have made it a long season and a moderately severe s...

FRIDAY, April 19, 2019 (HealthDay News) -- Many hospital workers and patients spread the flu before they show any symptoms, a new study says.

The bottom line: Current flu infection control measures in hospitals may be inadequate, the Swiss researchers say.

"Our findings suggest that influenza infection in acute care is common and a significant proportion of individuals appea...

MONDAY, April 8, 2019 (HealthDay News) -- Scotland is already seeing a payoff for vaccinating adolescent girls for human papillomavirus (HPV).

Since the vaccine became routine about a decade ago, cervical cancer cases in young Scottish women have plummeted, a new study reports.

HPV is one of the most common sexually transmitted infections. Vaccination protects against HPV t...

TUESDAY, April 2, 2019 (HealthDay News) -- As if having the exhausting "kissing disease" -- also known as mononucleosis, or "mono" -- isn't bad enough, about 1 in 10 people with this infection will develop chronic fatigue syndrome in six months, researchers report.

To better predict which people with mono might end up with debilitating chronic fatigue syndrome, investigators at Luri...

MONDAY, April 1, 2019 (HealthDay News) -- Scientists are looking to an unexpected source in the battle against drug-resistant bacteria: fish slime.

The researchers said that microbes in the protective mucus that coats young fish holds promise in fighting multidrug-resistant bacteria. These include the so-called "superbug" microbes that cause methicillin-resistant Staphylococcus au...

FRIDAY, March 29, 2019 (HealthDay News) -- Though flu season has probably peaked, beware: Influenza is still widespread in much of the United States, federal health officials said Friday.

"This week activity decreased a little bit, but flu is going to be around for a while," said Lynnette Brammer, from the domestic influenza surveillance team at the U.S. Centers for Disease Control an...

THURSDAY, March 28, 2019 (HealthDay News) -- You thought Zika was scary? Well, get this: Global warming places up to 1 billion people worldwide at risk of exposure to disease-carrying mosquitoes over the next 50 years, new research indicates.

The two most common disease-transmitting mosquitoes -- Aedes aegypti and Aedes albopictus -- carry viruses such as dengue, Zika a...

THURSDAY, March 14, 2019 (HealthDay News) -- Many survivors of the 2014-2016 Ebola outbreak in West Africa have ongoing health problems, a new study finds.

More than 28,000 people were infected and more than 11,000 died in the outbreak.

Researchers compared 966 Ebola survivors from Liberia with 2,350 close contacts and sexual partners. They found that survivors were more lik...

MONDAY, March 11, 2019 (HealthDay News) -- Much like a canary in a coal mine, Florida chickens have warned researchers of a rare but deadly mosquito-borne virus in their midst.

These sentinels have revealed that eastern equine encephalitis virus (EEEV) originates in the state's panhandle and then spreads as far north as Nova Scotia, Canada, the new study found.

"In the regio...

FRIDAY, Feb. 22, 2019 (HealthDay News) -- Americans aren't out of the woods yet, as the flu season continues to spread across the country, health officials reported Friday.

One major shift that's occurred is in the viruses that are circulating. At the start of the flu season, the predominant strain was influenza A H1N1, but now a more severe strain, influenza A H3N2, accounts for nea...

THURSDAY, Feb. 21, 2019 (HealthDay News) -- Rapid expansion of HPV vaccination and cervical cancer screening could eliminate the cancer as a major health problem in many countries by the end of the century, a new study claims.

HPV (human papillomavirus) causes most cases of cervical cancer, and the researchers determined that more than 13 million cases of cervical cancer worldwide cou...

FRIDAY, Feb. 15, 2019 (HealthDay News) -- Human papillomavirus (HPV) is easily transmitted during sex, but it is unlikely to be passed by the hands, Canadian researchers report.

The virus, which infects the skin and genitals, is a cause of several types of cancer in both men and women, including cervical cancer, as well as tumors of the vagina, penis, anus and throat.

Becaus...

THURSDAY, Feb. 14, 2019 (HealthDay News) -- This year's flu shot is already outperforming the vaccine issued during the tough 2017-2018 influenza season, federal health officials reported Thursday.

The 2017-2018 flu shot offered just 25 percent effectiveness against the predominant strain of flu that season, H3N2. But this year's shot offers 47 percent protection against all circulat...

TUESDAY, Feb. 12, 2019 (HealthDay News) -- It's safe to use antiviral drugs to treat hepatitis C in liver cancer survivors, a new study reports.

The findings contradict previous research suggesting that antiviral drugs might increase these patients' risk of liver cancer recurrence.

That prior research involved a single-center study from Spanish investigators in 2016 that "ga...

TUESDAY, Feb. 12, 2019 (HealthDay News) -- New (and pricey) hepatitis C medicines, such as Harvoni and Sovaldi, are living up to their promise and greatly reducing patients' odds for liver cancer and death, a new French study finds.

The news came as little surprise to one U.S. liver expert.

The advent of this class of drugs "has led to almost universal cure of chronic hepati...

TUESDAY, Jan. 29, 2019 (HealthDay News) -- Millions of hepatitis C cases and related deaths could be prevented, but it will require a significant investment, researchers say.

In the first study to model such measures worldwide, the authors concluded that sweeping prevention, screening and treatment efforts could prevent 15.1 million new hepatitis C infections and 1.5 million cirrhosis...

MONDAY, Jan. 28, 2019 (HealthDay News) -- Seasonal flu and other respiratory infections may be especially dangerous for kidney failure patients, researchers say.

A new study found that influenza-like illnesses likely contribute to more than 1,000 deaths among kidney failure patients in the United States each year. These illnesses include potentially serious respiratory tract infection...

FRIDAY, Jan. 25, 2019 (HealthDay News) -- A large number of U.S. cancer patients with hepatitis B and C don't know they have the virus, which can cause life-threatening complications during some cancer treatments, researchers say.

The findings suggest screening for hepatitis B and C may be appropriate in community cancer clinics, according to investigators from the SWOG Cancer Researc...

TUESDAY, Jan. 22, 2019 (HealthDay News) -- Whether it's infiltrating a cruise ship, a restaurant or a college dorm, the norovirus is often in the news. It's the leading cause of illness from contaminated food in the United States.

While food can be tainted at its source, food workers who acquire the infection can unintentionally cause outbreaks as well, often by touching food with ba...

THURSDAY, Jan. 17, 2019 (HealthDay News) -- U.S. emergency rooms routinely prescribe antibiotics to babies with the common viral lung infection bronchiolitis, counter to recommendations issued more than a decade ago, a new study finds.

Bronchiolitis is the leading cause of hospitalization for U.S. babies in their first year of life. In bronchiolitis, the lung's small airways (bronchi...

THURSDAY, Jan. 17, 2019 (HealthDay News) -- Nearly 25 percent of antibiotics prescribed in the United States are given for conditions they aren't meant to treat, a new study finds.

Antibiotics are miracle drugs that can cure deadly bacterial infections. But too often they are given to treat viral infections, such as colds and flu, for which they are ineffective.

And the ov...

WEDNESDAY, Jan. 9, 2019 (HealthDay News) -- Newly diagnosed cancer patients may be at increased risk for the painful skin condition shingles, a new study finds.

Experts say development of new vaccines might help prevent shingles in cancer patients.

The study, of about 240,000 cancer patients in Australia from 2006 to 2015, found that any type of cancer was associated with a ...

MONDAY, Jan. 7, 2019 (HealthDay News) -- If you suffer from chronic obstructive pulmonary disease (COPD), a flu shot can be a lifesaver. But many of the millions with the lung condition don't get it, researchers report.

COPD causes inflammation in the lungs and it can flare up when triggered by the flu, making the infection worse, explained lead researcher Dr. Sunita Mulpuru. She is ...

THURSDAY, Jan. 3, 2019 (HealthDay News) -- Flu spreads like wildfire in confined spaces -- and that includes subways, a new British study finds.

The longer your ride and the more stations you encounter during your daily commute, the higher your odds of getting sick, the researchers found.

University of Bristol researcher Lara Gosce and colleagues found fewer cases of flu i...

THURSDAY, Jan. 3, 2019 (HealthDay News) -- Infection with the hepatitis C virus can cause liver disease and even liver cancer. But once found, the virus can be cured, so screening is vital for those at risk, health experts say.

For hepatitis A and B, preventive vaccines exist, but there is none for hepatitis C.

"We can eliminate the virus and keep people from developing live...

FRIDAY, Dec. 14, 2018 (HealthDay News) -- Flu season is getting off to a slow but steady start, a U.S. health official said Friday.

As of now, only Georgia is seeing high levels of infections, but cases are being reported throughout the nation.

"Flu activity is still fairly low, but as expected we have been seeing activity slowly increasing over the last few weeks," said Ali...

FRIDAY, Nov. 30, 2018 (HealthDay News) -- There's a good chance that some cases of the mysterious polio-like illness seen recently in U.S. children may have been misdiagnosed, a new study reports.

Acute flaccid myelitis (AFM), which causes potentially life-threatening paralysis and primarily strikes children, has been recurring in the United States in every-other-year waves since 2014...

MONDAY, Nov. 19, 2018 (HealthDay News) -- When someone with HIV has the virus suppressed with medication, there is virtually no chance of passing it on to sex partners, a new review concludes.

The Public Health Agency of Canada pulled together studies from the last decade looking at the risk of HIV transmission among partners where one person is HIV-positive and one is not.

...

WEDNESDAY, Nov. 14, 2018 (HealthDay News) -- Wild monkeys in South America carry the Zika virus, which can then be transmitted to people via mosquitoes, researchers report.

The scientists said the finding suggests it may be impossible to eradicate the virus in the Americas.

"Our findings are important because they change our understanding of the ecology and transmission of Z...

TUESDAY, Nov. 13, 2018 (HealthDay News) -- Cases of a mysterious polio-like illness continue to mount in the United States, and health officials are scrambling to figure out the cause.

There are now 252 patients under investigation for acute flaccid myelitis (AFM), an increase of 33 patients since last week, said Dr. Nancy Messonnier, director of the National Center for Immunization ...

WEDNESDAY, Oct. 31, 2018 (HealthDay News) -- For weeks, Donna Greene got the brush-off when she asked the pharmacist about getting her second dose of Shingrix, the sought-after but scarce new shingles vaccine.

Check back next week. Check in two weeks. We just don't know, she was told at last. Finally, in mid-October, Greene got lucky.

"My husband's friend … said he wa...

FRIDAY, Oct. 26, 2018 (HealthDay News) -- Does getting a flu shot every year diminish its power to protect children?

Absolutely not, say researchers, who found that last year's shot will not in any way reduce the flu-fighting strength of this year's shot.

The conclusion follows three years spent monitoring flu vaccine effectiveness among nearly 3,400 children aged 2 to 17. T...

THURSDAY, Oct. 25, 2018 (HealthDay News) -- Although this flu season is off to a slow start, U.S. health officials are urging everyone to get vaccinated now.

Why? Last year was one of the worst flu seasons on record, yet fewer Americans got a flu shot than in years past. In fact, less than four in 10 adults were protected against flu and its complications last winter, according to the...

WEDNESDAY, Oct. 24, 2018 (HealthDay News) -- For the first time in two decades, the U.S. Food and Drug Administration has approved a new type of antiviral flu drug.

The single oral dose of Xofluza (baloxavir marboxil) is for the treatment of uncomplicated flu in patients aged 12 and older who have had symptoms for no more than 48 hours.

When used within 48 hours of getting s...

FRIDAY, Oct. 19, 2018 (HealthDay News) -- There's growing evidence that the herpes virus responsible for cold sores also may cause Alzheimer's disease, a new research paper contends.

It's been long known that herpes simplex virus 1 (HSV1) can been found in the brains of elderly people with Alzheimer's disease, and research has shown that herpes increases Alzheimer's risk in people gen...

TUESDAY, Oct. 16, 2018 (HealthDay News) -- A rare but devastating polio-like virus appears to have made itself at home in the United States, partially paralyzing hundreds of children.

There have been 127 cases reported in 22 states so far this year, with 62 confirmed as acute flaccid myelitis, said Dr. Nancy Messonnier, head of the National Center for Immunization and Respiratory Dis...

THURSDAY, Oct. 11, 2018 (HealthDay News) -- School is in full swing, and with it comes a plethora of colds passed back and forth among kids.

But parents who want to alleviate a sick child's misery would do best to avoid over-the-counter cough and cold remedies.

Decongestants should not be given to children younger than 6 because there's no evidence that they do any good, acc...

THURSDAY, Oct. 4, 2018 (HealthDay News) -- Big cities with a large commuting workforce tend to have longer, more grinding flu seasons, a new study suggests.

Researchers found that a city's flu season is apt to last longer as its population increases and workplaces become more focused within a few key spots, said lead researcher Benjamin Dalziel, a population biologist with Oregon Stat...

THURSDAY, Oct. 4, 2018 (HealthDay News) -- Mating with Neanderthals helped boost modern humans' ability to fight novel viruses in Europe and Asia, a new study contends.

Before vanishing about 40,000 years ago, Neanderthals interbred with modern humans who had migrated out of Africa. As a result, many modern Europeans and Asians have about 2 percent of Neanderthal DNA in their genomes,...

THURSDAY, Sept. 20, 2018 (HealthDay News) -- You might feel squeaky clean after that morning shower, but you carry an invisible cloud of bacteria, viruses, fungi and chemicals every day.

That's one of the lessons from the first study to take a deep dive into the human "exposome" -- the collection of microbes, plant particles and chemicals that accompanies people as they move through t...

TUESDAY, Sept. 4, 2018 (HealthDay News) -- A new Ebola virus species discovered in bats in Sierra Leone has never been detected in sick humans or other animals, a new study shows.

It's the first finding of its type, according to the researchers.

The newly identified species -- called Bombali -- has the potential to infect human cells. But it's not known whether it has alread...

TUESDAY, Aug. 21, 2018 (HealthDay News) -- Improved treatment has nearly tripled viral suppression rates among HIV patients in the United States over the past two decades, researchers report.

But viral suppression rates remain lower among young people and black Americans, the researchers add.

About 1.2 million U.S. adults have HIV, the virus that causes AIDS. Achieving and ...

THURSDAY, Aug. 16, 2018 (HealthDay News) -- HIV, the virus that causes AIDS, is typically a manageable infection, but medications that keep the virus at bay don't work for everyone. Now, researchers have developed a new medication to help them.

The U.S. Food and Drug Administration approved the drug -- ibalizumab (Trogarzo) -- in March. Phase 3 trial results were published in the Aug...

TUESDAY, Aug. 7, 2018 (HealthDay News) -- About 14 percent of babies born in U.S. territories to women infected with Zika have health problems that may be related to the virus, federal officials reported Tuesday.

The babies either had a Zika-associated birth defect or a neurodevelopmental abnormality possibly caused by Zika infection in the womb, researchers with the Centers for Dise...

THURSDAY, Aug. 2, 2018 (American Heart Association) -- A virus that infects millions of Americans every year may on occasion cause heart defects during the early stages of pregnancy, a new study in mice suggests. The findings may give researchers further insights into the causes of congenital heart disease.

The effects of the virus, called coxsackievirus B, may not be identical in hu...

TUESDAY, July 24, 2018 (HealthDay News) -- A new report suggests that people can survive Ebola and still possibly infect others up to a year later.

The finding could mean that continued monitoring for the disease is still necessary after a country has been declared Ebola-free, the researchers said.

The case study involved a family in Liberia, which had more than 4,800 deaths...

FRIDAY, July 20, 2018 (HealthDay News) -- Two types of antibodies from the blood of Ebola survivors protected animals against strains of the virus that cause deadly infections in people, researchers report.

It may be possible to use these antibodies to create a treatment for Ebola, the researchers said.

The team, led by Dr. James Crowe of Vanderbilt University Medical Center...

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Wellness Library Results - 8

What is Roseola? Roseola, or roseola infantum, is a fairly mild childhood disease that causes fever and a rash. Sometimes called "baby measles," it typically strikes children between the ages of 6 months and 2 years. It's caused by the human herpes virus 6, a cousin of the viruses that cause cold sores and genital herpes. What are the symptoms? Roseola generally starts with a moderate to hig...

What is cytomegalovirus (CMV)? Although few people have heard of cytomegalovirus, or CMV, many of us are carrying it at this very moment. It's a common virus that's spread during sex, or in blood, urine, saliva, or breast milk; babies can also be infected with it before or during birth. Fifty to 80 percent of American adults have CMV by age 40, but the majority doesn't even know it. The reason is...

What is hantavirus? In 1993, a new medical mystery surfaced in the Four Corners area of the U.S. Southwest. It started when a young Navajo couple died within a few days of each other. Each had seemed perfectly healthy until a sudden illness left them gasping for breath. In each case, death came rapidly. Tests showed that they didn't have bubonic plague or any other known disease. After checking r...

When summer plunges into its hottest months, West Nile virus and the mosquitoes that carry the disease make their unwelcome presence felt in the United States. The virus is believed to have been carried into the country by a traveler from Europe or the Middle East in 1999, but it didn't cause significant problems until summer 2002. By the end of that year, the virus had infected 4,156 people in 3...

What is hepatitis A? The liver is a large, hard-working organ that protects the body from toxins. It can handle all sorts of insults, but it also has its weaknesses. It doesn't like too much alcohol, and it definitely doesn't like viruses that cause hepatitis or inflammation of the liver. There are five types of hepatitis viruses: hepatitis A, B, C, D, E, and F. Of these, A, B, and C are by far ...

What is yellow fever? Yellow fever is a tropical disease caused by the yellow fever virus. It is spread by certain types of mosquitoes. There was a time when yellow fever was one of the most feared diseases in America. In the 1700s and 1800s, yellow fever killed more than 100,000 Americans from New Orleans to Boston. The last epidemic in this country ended in 1905, but yellow fever continues to ...

When summer is in full swing, you can bet that people will want to be outdoors. Unfortunately, it's also the time that mosquitoes come out. You should take care to protect yourself from West Nile virus, one of many germs that mosquitoes can carry. The insects pick up the virus by feeding on infected birds and transmit the disease when they bite other animals. The virus has been found in many diffe...

What is rabies? Rabies is one of the oldest diseases known to mankind, and it used to be cause for panic and hysteria. A Spanish neurologist even speculated that rabies may have spurred legends of vampires. Until recently, being bitten by a rabid animal was a death sentence. Even now, we can only prevent the disease, not treat it. Once symptoms appear, rabies is almost always fatal. Thanks to ef...

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