It may feel like you are surrounded by sniffles and coughs, but flu season activity is still low in many parts of the U.S. New government data posted Friday shows that as of last week, flu activity was high in four states — Colorado, Louisiana, New Jersey and New York — and minimal or low in most others.

Federal health officials are reviewing the safety of two injectable drugs used to protect babies and toddlers from the RSV virus.

The Trump administration appears to be expanding RSV vaccinations to some adults starting at age 50 instead of 60.

The nation’s infant mortality rate is falling.

Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

The U.S. flu season is underway.

Federal health officials are strengthening their endorsement of RSV vaccinations for people 75 and older.

U.S. health officials say flu and COVID-19 infections are expected to ramp up in the coming weeks.

U.S. health officials say flu is picking up steam while RSV lung infections may be peaking.

China’s health ministry says a surge in respiratory illnesses across the country that has drawn the attention of the World Health Organization is caused by the flu and other known pathogens and not by a novel virus.

RSV infections are rising sharply in some parts of the country, nearly filling hospital emergency departments in Georgia, Texas and some other states.

A new shot for infants against RSV is in short supply, and U.S. health officials are telling doctors they should prioritize giving the drug to babies at the highest risk of severe disease.

U.S. health officials are recommending RSV vaccinations for moms-to-be as a second option to protect newborns.

Updated COVID-19 shots are coming soon, part of a trio of fall vaccines that doctors hope will help avoid another “tripledemic."

U.S. regulators have approved the first RSV vaccine for pregnant women to protect their newborns.

U.S. health officials are recommending that babies get a recently approved drug to protect them against a respiratory virus.

U.S. officials have approved a new long-acting drug to protect babies and toddlers against a respiratory virus that causes thousands of hospitalizations each year.

Americans 60 and older can get a new RSV vaccine but should discuss it with their doctor first.

The U.S. has approved the first vaccine for RSV, shots to protect older adults.

Federal health advisers have narrowly backed an experimental vaccine from Pfizer that could become the first shot to protect older adults against the respiratory illness known as RSV.

New U.S. government data suggests holiday gatherings didn’t spark surges in respiratory diseases.

The U.S. flu season is off to an unusually fast start.

As Florida enters the winter season, doctors are seeing a trio of respiratory illnesses on the rise: COVID-19, influenza and RSV.

Respiratory Syncytial Virus, also known as RSV, is surging in some parts of the U.S.

The recent emergence of a virus that typically sickens children in colder months has baffled U.S. pediatricians and put many infants in the hospital with troublesome coughs and breathing trouble.