Doctors stress importance of tick prevention as CDC reports sharp increase in related emergency room visits in 2025.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

The Fashionistas line previously featured dolls with hearing aids, prosthetic limbs and Down syndrome. According to the CDC, ...

A new federal estimate shows a rise in prediabetes among American adolescents, a finding that is spurring concerns about the ...

The U.S. thought it had eradicated measles 25 years ago. Now the highly contagious disease is back, spiking to more than ...