WEWS(NEW YORK) — Frontier Airlines is searching for passengers from at least five different flights who flew on the same plane as an Ebola-infected nurse from Dallas.

The airline announced that it was reaching out to passengers who traveled on the same plane as Amber Vinson. They also said the plane was out of service as they replace seat covers and carpet in the middle of the aircraft, where Vinson was sitting.

Vinson, 29, was infected with Ebola after treating Thomas Eric Duncan earlier this month. She was isolated and diagnosed with Ebola on Oct. 14.

A day before being diagnosed, Vinson flew on Frontier Airlines Flight 1143 from Cleveland to Dallas. The plane was cleaned after Vinson’s flight.

The following day the plane was used for at least five different commercial flights, including a return trip to Cleveland, where it was cleaned again.

Frontier Airlines has not clarified why they are reaching out to passengers and did not provide specifics to ABC News.

The plane is scheduled to return to service in the next several days.

Before flying from Cleveland, Vinson had reportedly called U.S. Centers for Disease Control personnel to report she had an elevated temperature of 99.5. The temperature was below the 100.4 reading that would designate a fever. She was not told that she could not fly on a commercial airliner.

She arrived at Texas Health Presbyterian Hospital the following day with a fever.

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ABC News(WASHINGTON) — Health care workers in the Dallas hospital that treated a patient who died from Ebola and then treated two nurses who contracted the disease never received in-person training on how to treat Ebola patients and avoid spreading the highly contagious disease, a top hospital official said at a Congressional hearing Thursday.

Dr. Daniel Varga said that, even though guidelines from the Centers for Disease Control and Prevention were sent to the emergency department at Texas Health Presbyterian Hospital in late July, there was no follow-up training ordered for the staff. Less than two months later, the hospital staff sent a man with Ebola home with a fever even though he was likely contagious at the time.

Varga is one of the panel of top American health officials testifying in Congress as part of a hearing on the federal government’s response to Ebola cases in the United States.

During the hearing Dr. Tom Frieden, director of the Centers for Disease Control and Prevention, said that one of the infected nurses did not violate any rules.

Frieden said that while nurse Amber Vinson, 29, was in contact with Thomas Eric Duncan, a Liberian man who died of Ebola, she had worn personal protective equipment and she did not need to have her movement restricted.

Frieden said that Vinson did contact the CDC before flying back to Dallas.

“I have not seen the transcript of the conversation,” Frieden said. “My understanding is that she reported no symptoms to us.”

At the start of the hearing, members of the House Energy and Commerce Committee made it clear that they would focus on the agency’s handling of the first Ebola patient in Dallas and the ensuing infections of two nurses, one of whom was allowed to fly a plane a day before she tested positive for the disease.

In prepared remarks for the House Energy and Commerce Committee, Frieden claimed that the CDC “remain[s] confident that Ebola is not a significant public health threat to the United States.”

“Within hours of confirming that the patient had Ebola, CDC had a team of 10 people on the ground in Dallas to assist the capable teams from the Texas state health department and local authorities,” he said, referring to Duncan.

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Thinkstock(HONG KONG) — So you’re sitting in a restaurant after the main course and along comes the waiter with the desert tray to offer a delectable treat to top off the meal.

Often, people will turn down the dessert, not because they’re not hungry but because they feel guilty about the indulgence.

However, what happens if a dinner companion gets a desert and offers to share it? Well, that’s a different story for a lot of people, according to researchers at the Hong Kong University of Science and Technology.

Fangyuan Chen and Jaideep Sengupta say, “When it comes to purchasing and consuming products normally associated with feelings of guilt, reducing someone’s sense of free choice could ultimately boost their overall well-being.”

In other words, people don’t need to have their arm twisted to enjoy a guilty pleasure, provided somebody else is making the choice for them.

The researchers say that companies that sell products considered indulgent, such as chocolate cake, can use this information to entice consumers by making them feel less responsible for their actions.

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Wavebreak Media/Thinkstock(MIAMI) — Some youngsters can’t escape certain responsibilities at home, such as caring for a family member with either physical or mental problems. According to University of Miami Miller School of Medicine, at least 1.3 million children and teens are saddled with this burden.

As much as their dedication is admirable, it can also take a heavy toll by putting them at a disadvantage in school.

In a unique study of this phenomenon, Dr. Julia Belkowitz and other researchers examined the work done by young caregivers, median age 12, in Palm Beach County, Florida. Nearly two-thirds were girls and the rest were boys.

Although the caregivers and those they cared for differed slightly on the time spent helping at home, it was well over a dozen hours weekly. The tasks were numerous, including feeding, dressing, bathing, toilet care, doling out medications and offering company and emotional support.

Belkowitz says the study is useful in bringing to the light the important work performed by young caregivers and how all the time spent at home can be a detriment to their education and social lives.

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BananaStock/Thinkstock(MINNEAPOLIS) — Keeping it calm at dinnertime can help kids keep off unwanted weight.

Jerica Berge, a psychologist at the University of Minnesota, says that when parents make meals pleasant experiences and use them to get to know their children better, the young ones will react and subsequently, eat healthier.

Berge and her team conducted their study by having 120 families use iPads to make video recordings of their mealtimes.

Right off the bat, the researchers noted that meals where the youngsters were overweight often tended to be chaotic affairs that were generally several minutes shorter than meals involving normal-weight kids.

Families with overweight children also ate more often outside the kitchen and when that happened, they consumed more food.

Berge says that when parents offered encouragement to their children at meals, rather than lecture them, it had a more positive influence on the youngsters’ eating habits.

Furthermore, in the homes of normal-weight kids, both parents were more often present at family meals than those where the kids had weight issues.

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Stewart F. House/Getty Images(DALLAS) — A Dallas hospital Thursday defended its processes and procedures after a nurses’ union criticized it for alleged lapses in the treatment of a patient with Ebola who later died.

In the statement released Thursday morning, authorities with Texas Health Presbyterian Hospital said workers followed guidelines established by the U.S. Centers for Disease Control and Prevention after patient Thomas Eric Duncan was diagnosed with Ebola.

Duncan first arrived at the hospital Sept. 26, and was sent home with antibiotics and Tylenol before returning via ambulance days later.

Duncan died Oct. 8, and two of the nurses who treated him — Nina Pham and Amber Vinson — have since tested positive for the virus. Federal authorities are still trying to figure out how the nurses contracted Ebola, with officials blaming a breach in protocol for the situation.

According to the hospital’s statement in response to a release from National Nurses United, the patient’s samples were handled with sensitivity to avoid a potential contamination.

“All specimens were placed into closed specimens bags and placed inside a plastic carrier that travel through a pneumatic system. At no time did Mr. Duncan’s specimens leak or spill — either from their bag or their carrier — into the tube system,” the statement reads.

The hospital also addressed the union’s allegations of improper protective gear at the facility, stating that hoods were ordered due to worker concerns that the skin on their neck was exposed — and that nurses’ interactions with Duncan were consistent with CDC guidelines.

The response follows a previous statement by National Nurses United, the country’s largest nurses’ union, issued on behalf of several nurses at the hospital.

National Nurses United has not issued a response to the hospital’s latest statement.

Earlier, the hospital said that it mishandled Duncan’s case by originally sending him home even after he had a fever and said he was from Liberia.

“Unfortunately, in our initial treatment of Mr. Duncan, despite our best intentions and a highly skilled medical team, we made mistakes,” Dr. Daniel Varga, the chief clinical officer for Texas Health Services, said in written testimony to the House Energy and Commerce Committee. “We did not correctly diagnose his symptoms as those of Ebola. We are deeply sorry.”

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Will Montgomery(DALLAS) — After a second health care worker at a Dallas hospital was found to be infected with the Ebola virus after treating Thomas Eric Duncan, both Texas Health Presbyterian Hospital and Frontier Airlines — the airline on which the worker flew to Ohio over the weekend — have taken steps to prevent further transmission of the disease.

“With a second one of our health care workers now infected with the Ebola virus despite following recommended protection procedures, Texas Health Dallas is offering a room to any of our impacted employees who would like to stay here to avoid even the remote possibility of any potential exposure to family, friends and the broader public,” a hospital statement read. “We are doing this for our employees’ peace of mind and comfort,” the statement read, noting that “this is not a medical recommendation.”

The hospital also reminded employees that they are not contagious “unless and until” they show symptoms of the disease. Still, the hospital asked all potentially affected employees “to be the good citizens that we know they are by avoiding using public transportation or engaging in any activities that could potentially put others at risk.”

Frontier Airlines CEO David Siegel sent a letter to employees providing further details after it was determined that the nurse, Amber Vinson, had flown on one of their flights to Cleveland on Oct. 10 and returned to Dallas on Oct. 13.

Siegel says the airline was informed that the woman was a passenger on one of their flights on Wednesday, and that they had provided the U.S. Centers for Disease Control and Prevention with customer contact information, removed the plane in question from service and reached out to customers independently of the CDC.

In the letter, Spiegel notes that on Wednesday afternoon, the CDC informed the airline that Vinson could have been symptomatic earlier than initially believed — “including the possibility of possessing symptoms while onboard the flight.” CDC spokesperson Tom Skinner told ABC News, however, that Vinson was not considered contagious at the time of the flight and that the only symptom she exhibited at the time was a fever.

While the plane was cleaned multiple times, the company opted to keep the plain out of service and provide a fourth cleaning since Vinson was onboard. Seat covers and carpets surrounding the area where Vinson sat will be removed.

Additionally, Frontier has placed six crew members on paid leave for 21 days “out of an abundance of caution,” even though “CDC guidance…stated that our flight crews were safe to fly.”

Vinson was transported to Emory University Hospital on Wednesday, one of two with specialized isolation units which have successfully treated Ebola patients.

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iStock/Thinkstock(WASHINGTON) — Nobody wants to learn that they have type 2 diabetes, which means the pancreas can’t make enough insulin to keep the body’s cells functioning properly. However, by knowing that you do have the condition, it can be managed through medication and lifestyle changes.

As a result, the U.S. Preventive Services Task Force is recommending that every adult over the age of 45 should be tested for type 2 diabetes and prediabetes. The test is also particularly urged for people at a higher risk for diabetes, including those with a family history of the disease, obese people and those who have been diagnosed with high blood pressure or high cholesterol.

Meanwhile, those with prediabetes can reduce the risk of developing type 2 diabetes by nearly 50 percent through a proper diet and exercise.

The blood sugar test is reportedly simple and inexpensive.

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iStock/Thinkstock(NEW YORK) — Mary Johnson was on one of her regular runs last August when her eyes became itchy and her tongue started to swell. Soon, her body was covered in hives as her eyelids, lips and throat started to balloon, too.

It was happening again.

Johnson, 27, has what is called exercise-induced anaphylaxis — a rare exercise allergy.

“My throat was so swollen that I had gone from having a normal-sounding voice…to almost no voice at all in a matter of minutes,” Johnson wrote on her blog, itsamarython.com. “In the past, my voice had always been intact.”

Her in-laws rushed her to the emergency room as her eyes became so swollen she could barely see. Once there, doctors injected her with epinephrine and intubated her to keep her airway open as her throat closed. She wound up staying in the intensive care unit overnight amid fears that she would have a second reaction.

Although Johnson is a marathoner who runs up to six times a week, she has had only three serious exercise allergy attacks in her life, each one worse than the last, she told ABC News. She also has the occasional “mini-attack” with just a tingly mouth and some swelling that she can treat herself with some Benadryl at home, she said.

The first one happened when she was 18 and went out for a morning run before breakfast. Because she hadn’t eaten anything and didn’t test positive for any food allergies, doctors eventually diagnosed her with exercise-induced anaphylaxis.

Dr. Kent Knauer, an allergist at UH Case Medical Center in Cleveland, said exercise-induced anaphylaxis is so rare that what exactly triggers it is unknown. He’s never met Johnson, and said he’s seen only four or five cases in his 25-year career.

Some exercise-induced anaphylaxis cases are tied to food, Knauer said. Others, like Johnson’s, are not. He said he had one patient who only had an allergic reaction if she ate corn a few hours before exercising.

“In her case, if she eats corn, it’s no problem. If she exercises, it’s no problem,” he said. “If she eats corn within one or two hours of exercise, she has a mild form of anaphylaxis.”

Johnson said she has met a few other people with exercise-induced anaphylaxis, and that she considers herself lucky not to have more frequent attacks. But her attacks are more severe than those of other people she knows with the allergy.

Although Johnson’s been told to consider slowing down from time to time, she said she loves to run. And she’s good at it. She qualified for the Boston Marathon in 2013 and ran it in 3 hours, 8 minutes and 34 seconds. That’s a 7-minute-and-12-second mile. And when she runs a half marathon, she can run a mile in 6 minutes and 45 seconds.

Still, she said, her allergy requires her to be extra careful. She never runs too far from home, always knows where her epinephrine pen is, and never leaves for a run without telling someone where she’s going. Although she’s had three serious attacks, she reminds herself that she has had hundreds of workouts over the years with no attacks at all.

“Don’t let it shape who you are,” she said.

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iStock/Thinkstock(NEW YORK) — The World Health Organization warned Tuesday that unless the Ebola outbreak in West Africa isn’t immediately contained, there could be as many as 10,000 new cases per week by December.

The only way to reverse the worst outbreak of the disease since it was first discovered in 1976 is to isolate 70 percent of the cases within two months, according to WHO assistant director-general Dr. Bruce Aylward.

Since last March, 4,500 people have died from Ebola with the number of current cases at 9,000, although that figure could be well underestimated.

Complicating matters is that the death rate from the disease, which was originally 50 percent, has now risen to 70 percent.

The hardest hit countries are Sierra Leone, Guinea and Liberia, and the WHO is especially concerned of how Ebola continues to spread in each nation’s densely-populated capital.

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