Learn why 3 nasty infections keep bouncing back stronger, from immune challenges to environmental factors, and how they defy ...

S trep infections are most well known for causing strep throat, which can be treated with antibiotics. But this type of bacteria can also cause more serious illnesses—even flesh-eating infections.

Most group A strep infections cause mild illnesses like strep throat — but when that bacteria spreads to the blood and deep ...

The CDC marked a major uptick in group A strep cases in 10 U.S. states from 2013 to 2022. Here's what to know about risk of ...

Severe strep infections are on the rise in the U.S. A new study shows a sharp increase in cases of invasive group A strep, ...

is also caused by strep A bacteria. These infections mostly happen when the bacteria—often picked up in bodies of water like lakes—enter open wounds in the skin. Can you test for group A strep?