The FDA has authorized the first over-the-counter combination COVID-19 and flu test outside of emergency use, which delivers results at home in about 15 minutes.

This year's flu vaccine reduced the risk of hospitalization in the Southern Hemisphere but wasn't as effective as the one used in the prior season, a new CDC study found.

There were 200 pediatric flu-related deaths in the 2023-2024 season, compared to the previous high of 199 during the 2019-2022 season.

Dr. Meghan Martin, a pediatric emergency physician, shares how parents can prepare for flu season by creating a "flu box."

A pediatric emergency medicine physician shares how to prepare for flu season with a "flu box" or "sick box."

ABC News medical correspondent Dr. Darien Sutton outlines four easy steps to prepare kids for a flu shot.

A Michigan farmworker who worked with cows has been diagnosed with bird flu, which is the second human case associated with an outbreak in U.S. dairy cows.

The Centers for Disease Control warns health care providers to look out for sick patients who may have had contact with birds or livestock.

April Nelson said the reunion between her children was "beautiful."

New CDC data updated Friday shows 25 states are experiencing ‘high’ or ‘very high’ levels of respiratory illness activity.

With many states reporting "very high" levels of flu, the CDC recommends staying up to date on vaccinations and taking preventative steps.

The agency says both flu and COVID hospitalizations have decreased over the last few weeks.

Twenty-three states are experiencing "high" or "very high" levels of respiratory illnesses, according to health officials.

The U.S. Centers for Disease Control and Prevention said the spread of respiratory illnesses appears to be slowing, for now.

At least 38 states have reported high or very high levels of respiratory illnesses.

At least 38 states are now showing "high" or "very high" cases of illness including, COVID-19, flu and RSV.

Data from the the Centers for Disease Control and Prevention shows respiratory illnesses are elevated in 38 states.

Some hospitals are returning to masking, given the rise of respiratory illnesses like COVID, RSV and the flu.

New York City Health + Hospitals is bringing back indoor masking across its buildings in areas where patients are being cared for amid a rise in respiratory viruses.

COVID and flu cases have been rising across the United States.

Amid a rise in COVID and flu cases and hospitalizations, several hospitals across the U.S. are reinstating mask requirements for staff and visitors.

Some hospitals are bringing back masks, with 31 states and Washington, D.C., seeing high or very high levels of infection from flu, COVID, RSV and the common cold.

Across the country, health officials are seeing a rise in respiratory illnesses like RSV, COVID, the flu, and the common cold.

ABC News’ Dr. Darien Sutton provides an update on the increase in respiratory illnesses across the country.

ABC News’ Dr. Darien Sutton answers questions about the illnesses that continue to spread this holiday season.

23 states plus New York City and Washington DC are seeing high or very high levels of respiratory illnesses.

ABC News medical correspondent Dr. Darien Sutton breaks down a new study that showed how flu vaccines reduced the risk of hospitalization in infants younger than 6 months.

Seventeen states plus NYC are experiencing high levels of infection including RSV, COVID and flu.

Hospitals are seeing an increase in respiratory illnesses ahead of the holiday season, the Centers for Disease Control and Prevention said.

Health officials are urging eligible patients to be vaccinated for the flu, COVID, and RSV.

New CDC data updated on Friday shows COVID and flu hospitalizations continue to increase across the U.S. as the CDC director says she believes we've hit the peak of RSV.

Eleven states are now reporting “high” or “very high” levels of respiratory illnesses.

A new article suggests that your attitude, gut health and other factors have been shown to boost immune response. Dr. Jen Ashton explains.

Eleven states, plus New York and Puerto Rico, are experiencing high or very high levels of respiratory illness activity.

Experts continue to stress that current vaccination is one of the most important factors in reducing the spread of respiratory disease.

New data from the Centers for Disease Control and Prevention indicates that several states are grappling with elevated flu activity.

As influenza surges in seven states, health officials said they fear that infections of flu, covid and RSV may rise as Americans gather for the holidays.

With new flu and COVID-19 vaccines available, which one is the right one for you?

Older adults who got a COVID booster and a high-dose version of the flu vaccine together may have an increased risk of stroke, according to a new FDA-funded study.

Moderna announced the first participant has been dosed in the company's phase 3 clinical trial of its combination flu and COVID vaccine.

Flu and other respiratory viruses, like RSV, are starting to circulate but levels are not as high as they were this time last year, CDC data shows.

Amid what his parents thought was a case of the flu, 14-year-old Mathias Uribe started to experience serious health complications due to a bacterial infection, which ultimately led to his amputations.

Ice-T sits down with Rocsi Diaz to discuss his partnership with our sponsor, Sanofi, to build awareness around the flu season and how important it is to get your flu vaccine.

This year’s respiratory virus season is set to be a repeat of last year’s, with COVID-19, RSV and influenza impacting the health care system at the same time, per the CDC

Flu-related hospitalizations in South American were reduced by 52% due to vaccinations during the 2023 Southern Hemisphere's flu season, according to the CDC.

Early data from South America’s flu season indicates this year’s flu shot will be effective in preventing serious illness from seasonal flu.

Dr. Jennifer Ashton joins “GMA” to discuss the new guidelines for children 6 months and older.

Two school districts were forced to cancel in-person classes after outbreaks of illnesses.

Doctors are warning cases of influenza B are ticking up across the US, but that there's no cause for concern just yet.