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Flu activity nationwide declines but ER visits for school-aged kids increasing: CDC

Stock image of a sick person. (Guido Mieth/STOCK PHOTO/Getty Images)

(WASHINGTON) — Flu activity is starting to decline nationwide, according to newly released data from the Centers for Disease Control and Prevention.

The CDC estimated on Friday that there have been at least 19 million illnesses, 250,000 hospitalizations and 10,000 deaths from flu so far this season.

Currently, seven states are seeing “very high” levels of flu-like illnesses while 23 states are seeing “high” levels, CDC data shows.

At least 12 flu-associated deaths were reported among children this week, for a total of 44 pediatric deaths this season. Last season saw a record-breaking 289 children die from flu, the highest since the CDC began tracking in 2004.

Despite flu activity on the decline, flu-related emergency department visits for school-aged children between ages 5 and 17 increased since last week while hospitalizations remained stable.

“I think what distinguished this year’s flu season to previous seasons is that, first of all, it began a little bit earlier,” Dr. Daniel Kurtzikes, former chief of infectious diseases at Brigham and Women’s Hospital, told ABC News.

Kuritzkes added that although data does not show that cases increased more dramatically than last year, “we may have perceived it as being worse than it really was, and it now seems like it peaked rather abruptly and is on a rapid decline.”

However, Kuritzkes noted that last year, flu season had a second bump in late winter. He warned that the same thing could happen this year.

Data shows that the majority of this season’s cases are linked to a new flu strain called subclade K — a variant of the H3N2 virus, which is itself a subtype of influenza A.

Subclade K has been circulating since the summer in other countries and was a main driver of a spike in flu cases in Canada, Japan and the U.K.

Dr. Geeta Sood, an assistant professor of medicine at Johns Hopkins Bayview Medical Center, explained that the annual flu vaccine formulation was decided before subclade K emerged, meaning the vaccine is a “mismatch” for the strain, to an extent, while still providing protection against serious disease, hospitalization and death.

“So, this year, we have a couple of problems,” she told ABC News. “One is that the circulating strain that’s predominantly out there is pretty different from the strains that we’ve seen in previous years. … Again, it changes every year, but the amount that it changes can be a lot some years and not so much other years.”

However, she said that early data from the U.K. shows that the vaccine has been protective against serious complications, particularly among children.

“It certainly protects against severe disease, but it’s not one of our best matching vaccines,” Sood said.

Another problem, according to Sood, is that vaccination rates are lower than she would like to see.

As of Jan. 10, 45.6% of adults aged 18 and older and 44.2% of children have received an annual flu vaccine, according to CDC data.

Sood said it’s not too late to get vaccinated, especially because influenza season can last through early spring.

“Even though it takes two weeks to get full immunity, you still get immunity sooner rather than later,” she said. “There’s still plenty of influenza out there, and there’s reactivity to protect you against other strains”

Doctors told ABC News they recommend other hygiene methods, including thoroughly washing hands with soap and water, avoiding crowded places, getting good circulation by opening windows and considering masking.

Richard Zhang, MD, MA, is a child and adolescent psychiatry fellow at Yale School of Medicine and a member of the ABC News Medical Unit.

Copyright © 2026, ABC Audio. All rights reserved.

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Tracking the winter storm: Dangerous ice to paralyze the South, snow heading to Northeast

Weekend Winter Storm – Friday 8:00PM CT Map (ABC News)

(NEW YORK) — More than 120 million people are on alert for a brutal storm that’s going to bring dangerous ice and snow to the South, bitter cold to the Midwest, and a massive snowfall to the Northeast.

South

The storm moves into the South on Friday afternoon. By the evening, Dallas will see a wintry mix and Oklahoma and Kansas will get some snow.

On Saturday morning, the temperature is forecast to fall to 27 degrees in Dallas; 8 degrees in Oklahoma City; 14 degrees in Little Rock, Arkansas; and 19 degrees in Nashville, Tennessee.

As temperatures drop on Saturday, extremely dangerous snow and ice will move in from Dallas to Little Rock to Memphis, Tennessee.

Residents should be prepared for dangerous travel conditions and widespread power outages, which could leave people without electricity or heat.

The lack of heat will be very dangerous in several major cities — including Dallas, Little Rock and Memphis — where the bitter cold is expected to continue well after the storm passes.

Texas Gov. Greg Abbott said he was activating state emergency response resources, saying the freezing rain, sleet and snow “could create hazardous travel conditions into the weekend and cause impacts to infrastructure.”

By Saturday afternoon, the snow and ice could stretch as far east as Georgia and the Carolinas.

The governors of Georgia, North Carolina and South Carolina have declared states of emergency.

Midwest

This unforgiving arctic blast will strike the Midwest late Thursday into Friday, bringing extremely dangerous temperatures.

On Friday morning, the wind chill — what temperature it feels like — is forecast to plunge to minus 39 degrees in Minneapolis, minus 32 in Chicago and minus 39 in Madison and Green Bay, Wisconsin. In these conditions, frostbite can develop in just 10 minutes.

Northeast

The brutal cold will strike the Northeast on Friday night, with below-freezing temperatures expected for New York City and Philadelphia.

Then on Sunday, the storm will hit the Northeast, bringing likely plowable snow from Washington, D.C., to New York City to Boston. 

The snow totals are not yet clear, but by the Monday morning commute, 6 to 12 inches is possible in some areas.

Airline travel alerts

Many airlines are issuing travel alerts and waiving rebooking fees ahead of the storm.

American Airlines and Delta Air Lines have waived rebooking fees, allowing passengers to rebook their flights at no additional cost. 

United has issued travel waivers for cities expected to be affected, allowing those who bought tickets on or before Tuesday to rebook without a fee if their travel is affected.

Southwest said it’s monitoring the weather and will issue any advisories or make any changes as needed. 

ABC News’ Ayesha Ali contributed to this report.

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New study directly links higher BMI to increased risk of vascular dementia; blood pressure may help explain why

Woman weighing herself (Zave Smith/Getty Images)

(NEW YORK) — High blood pressure and body mass index, or BMI, may be directly linked to the increased risk of developing vascular dementia, according to a new study published in the Journal of Clinical Endocrinology and Metabolism.

This is the strongest evidence to date showing a direct relationship between BMI and the increased risk of developing vascular dementia, a risk heavily influenced by elevated blood pressure, according to the study.

Researchers say these findings highlight how important reducing these risk factors are to help prevent this form of dementia and protect brain health.

The study’s findings show that being overweight and having high blood pressure “are direct causes of increased vascular dementia risk,” said Dr. Ruth Frikke-Schmidt, study co-author, chief physician at Copenhagen University Hospital — Rigshospitalet and clinical professor at University of Copenhagen, Denmark.

“That makes them highly actionable targets for dementia prevention at the population level,” Frikke-Schmidt told ABC News.

Vascular dementia is a type of dementia caused by damage to blood vessels that leads to reduced blood and oxygen to the brain, according to the National Heart, Blood and Lung Institute. The initial damage to blood vessels leading to this condition is often due to other underlying health problems such as high blood pressure, atherosclerosis, or diabetes.

Symptoms vary depending on the affected brain area but often include confusion, memory problems and difficulty with daily activities. There is no cure, making prevention key, experts say.

In the study, researchers analyzed data from large European populations across Copenhagen and the United Kingdom. Using analytical methods that mimic a randomized controlled trial, the researchers found that as BMI increased by approximately 4.5 points, the risk of vascular dementia rose across all BMIs, directly linking BMI to an increased risk of developing vascular dementia.

Additional analysis showed that elevated blood pressure, in association with BMI, directly contributed to increased risk of vascular dementia, adding to a growing body of evidence strongly linking cardiovascular health to brain function.

“What is good for the heart is good for the brain,” Frikke-Schmidt said.

BMI is a measure of a person’s body weight relative to their height. While doctors say the number should be taken in context with an individual’s overall health, the Centers for Disease Control and Prevention categorizes an ideal BMI as 18.5 to 24 for adults. Overweight and obesity are categorized as a BMI 25-29 and BMI 30 or greater, respectively.

Dr. Leah Croll, assistant professor of neurology at the SUNY Downstate Health Sciences University, told ABC News many dementia cases may be preventable, and this new research adds to evidence showing how important targeting risk factors like elevated BMI and cardiovascular disease are to preserving brain health.

“Dementia prevention is the wave of the future,” Croll said. Adding that it’s important to reinforce or develop habits to maintain a healthy weight and manage blood pressure through diet, exercise, and routine medical care.

While some people may be more motivated to lose weight, Croll said that blood pressure is a silent symptom that can be easier to ignore or may often go unnoticed.

“A paper like this really allows me to have conversations with my patients in the clinic where I can motivate them to stay on top of their blood pressure,” Croll said. “If you can stay on top of your blood pressure, that seems to significantly impact your brain health later on in life.”

Dr. Jennifer Miao, a board-certified cardiologist and ABC News Medical Unit fellow, told ABC News it’s important for people to monitor their blood pressure and should know how to measure it and know what the numbers mean.

“This can be done at a local pharmacy, urgent care or walk-in clinic, community health centers or by purchasing a blood pressure cuff to use at home,” Miao said.

Blood pressure contains two numbers — a systolic number on the top and a diastolic number on the bottom. Normal blood pressure is less than 120 on the top and less than 80 on the bottom, according to the American Heart Association.

“If left untreated, high blood pressure can have significant and harmful effects on overall health,” Miao said.

Camille Charles, DO, is a pediatric resident and member of the ABC News Medical Unit. Jade A. Cobern, MD, MPH, is a practicing physician, board-certified in pediatrics and general preventive medicine, and is a fellow of the ABC News Medical Unit.

Copyright © 2026, ABC Audio. All rights reserved.

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‘Severe’ geomagnetic storm could make northern lights visible in southern US

NASA’s Solar Dynamics Observatory (SDO) captured this image of an X5.8 solar flare peaking at 9:23 p.m. EDT, May 10, 2024. (NASA)

(NEW YORK) — A strong geomagnetic storm could soon interact with Earth’s atmosphere, bringing the potential for northern lights displays to be seen much further south in the continental U.S., according to space weather experts.

A Coronal Mass Ejection (CME) — a massive burst of solar material and magnetic field from the sun’s outer atmosphere — that occurred on Sunday is expected to reach Earth within the next 24 hours, according to the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center and the U.K.’s Met Office.

Strong (G3) or severe (G4) geomagnetic storm conditions could occur as a result of the CME, including auroras that extend as far south as Alabama and northern California.

Northern light displays occur when a solar flare interacts with the atoms and molecules in Earth’s atmosphere.

As the solar flare clashes with the upper atmosphere, it causes the atoms to emit a glow, creating a spectrum of light in the night sky.

Whether the auroras will actually be visible will depend on how the CME arrives, the magnetic orientation of the CME’s magnetic field and how cloudy it is locally.

The best time to see the northern lights in the U.S. is generally between 10 p.m. and 4 a.m. local time, and traveling to the darkest location possible is recommended for the best viewing, according to NOAA.

The storm could also impact power systems, spacecraft operations, radio frequencies and satellite navigation.

Geomagnetic storms are ranked on a scale of 1 to 5. A G3 storm could require voltage corrections on power systems and cause intermittent satellite navigation and low-frequency radio navigation problems, according to NOAA.

Under a G4 storm, possible widespread voltage control problems and other issues on power grids could occur, as could increased satellite navigation and low-frequency radio navigation problems.

Spacecrafts could also experience surface charging and tracking problems.

The sun’s magnetic field reached its solar maximum phase of its 11-year cycle in October 2024 and has continued to emit strong solar flares and geomagnetic storms, leading to an increase in aurora displays.

Intense magnetic activity caused by sunspots are expected to last through 2026, according to NOAA.

NOAA is currently analyzing the data for the most recent CME.

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Brutal cold invades Midwest before heading to Northeast: Latest forecast

Bitter Cold – Tuesday AM Wind Chills Map. ABC News

(NEW YORK) — A brutal arctic blast is bringing dangerously low temperatures to the Plains and Midwest before it invades the Northeast.

On Monday morning, the wind chill — what temperature it feels like — plunged to minus 30 degrees in Minneapolis; minus 27 degrees in Cedar Rapids, Iowa; minus 22 degrees in Chicago; and minus 22 degrees in Green Bay, Wisconsin. In the Windy City, wind gusts could hit 35 mph.

The cold even reached Florida on Monday. Wind chills dropped to the 20s in North Florida and hovered around 32 degrees in Central Florida.

On Tuesday morning, the freezing cold will continue in the Midwest, with the wind chill forecast to hit minus 12 degrees in Minneapolis; minus 8 in Chicago and Detroit; and minus 13 in Cleveland, Ohio.

The dangerous temperatures will also arrive in the Northeast on Tuesday. The wind chill is forecast to drop to minus 12 in Pittsburgh, Pennsylvania; 5 degrees in New York City and Philadelphia; 7 degrees in Washington, D.C.; and minus 9 in Buffalo, New York.

The Arctic blast will also bring lake effect snow through Wednesday. Six to 12 inches is possible from western Michigan to Buffalo, New York.

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Back-to-back winter storms hit the East this weekend with arctic blast behind them next week

ABC News

(NEW YORK) — Two winter storms will move through the East this weekend, with cold air coming right behind it in an arctic blast forecast for next week.

The first of the two storm systems will be a quick-moving, clipper system that continues to bring scattered snow showers to the Midwest and Great Lakes before bringing two rounds of snow for the Northeast and Mid-Atlantic on Saturday.

The first round of snow showers moved through early Saturday morning from the central Appalachian Mountains in West Virginia and Virginia up into Pennsylvania, as well as New England. The next round moves in later Saturday morning.

By noon, there will be either snow or mixed conditions along the I-95 corridor from Baltimore to Philadelphia to New York City.

By mid-afternoon, Washington, D.C., to Philadelphia will be clear with New York City and Bridgeport, Connecticut, seeing a change to a light wintry mix as things begin drying up.

Most of New England will see snow on Saturday except along the coast. Boston is likely seeing mostly rain from this, but could get in on a wintry mix at times.

Heading into Saturday night, the first storm system moves out and things begin to clear out across the Northeast, with only a few isolated showers remaining.

The next storm system, which will be a coastal storm that forms off the Southeast coast early Sunday morning, will slide up the East Coast for Sunday.

A light wintry mix or snow will be present for parts of Georgia on Sunday morning by 8:00 a.m., with it possibly extending down to the Florida Panhandle. Atlanta could even get in on a few snow showers, while Macon, Georgia, is likely to see more concentrated wintry weather.

Rain elsewhere along the Southeast coast extends up into the Carolinas.

As the coastal storm moves up the East Coast later Sunday morning into the afternoon, the next round of snow looks to develop along the Northeast coast from Washington, D.C., to New York City to Boston. 

It’s not set yet who will see snow with this coastal storm, as it all depends on how close it is to the coast. There is a chance for more snow near the I-95 corridor. However, it’s becoming clearer that there’ll be more snow for areas along the coast rather than areas inland with this second storm system.

Overall, both of these storm systems will bring minor accumulations along the I-95 corridor and parts of New England.

Some higher snowfall amounts of 2 to 6 inches will be possible north and west of the I-95 corridor and parts of interior New England.

Behind these two systems will be a big arctic blast that will sweep across much of the Eastern and Central U.S. to start the new work week.

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