A CDC report found that about 40 percent of Biltmore Forest blacklegged ticks carry Lyme bacteria. Here are the symptoms worth raising with a clinician.

A supplier recall pulled H-E-B and NatureBest pico de gallo and other refrigerated items over Salmonella risk. Here is what to check at home.

Two RSV options can protect a newborn this season. Here is the timing, the hospitalization data, and what to ask a pediatrician now.

CDC added 101 measles cases, and most came from Pennsylvania and Ohio. Here is what the county-level data mean for families this week.

FDA raised the Midwest Poultry egg recall to Class I. Check cartons for plant codes P-1950 or 0840962 before the final best-by dates pass.

Two more Legionnaires deaths push the Upper East Side toll to nine, two weeks after New York City said the summer cluster had ended.

A 57-year-old fainted mid-laugh while driving. A heart monitor later caught the same thing happening again, confirming a rare reflex.

A 65-year-old's chest pain began after her daughter's wedding. Her arteries were clean, and the tip of her heart had stopped squeezing.

A pacemaker that doctors switched off and left inside a patient's chest began pacing again two years later, competing with the newer device.

Surgeons drained 3.6 liters from a 17-year-old's stomach after an eating contest. Air had also leaked into his chest wall and neck.