Add Yahoo as a preferred source to see more of our stories on Google. Strep A is a type of bacteria that causes strep throat, but it can also lead to more serious infections. (Getty Images) (Getty ...

Although the winter respiratory virus season is ending in the United States and summer is quickly approaching, doctors are still seeing an alarming level of strep infections around the country. Strep ...

This handout image provided by the National Institute of Allergy and Infectious Diseases shows an electron microscope image of Group A Streptococcus (orange) during phagocytic interaction with a human ...

Growing research suggests the bacteria left behind by the common childhood infection may trick the immune system into attacking both the invader and the body's own cells. Colored scanning electron ...

This handout image provided by the National Institute of Allergy and Infectious Diseases shows an electron microscope image of Group A Streptococcus (orange) during phagocytic interaction with a human ...

Strep throat can be very common for kids between 5-15. Knowing how strep is different than a common cold can help treat it faster. Strep infections may be on the rise in the U.S., as they have been in ...

Scarlet fever is spiking in the UK, with case numbers more than fourfold higher than normal for this time of year. And a rare but serious invasive disease caused by the same bacteria that causes ...

As colder weather blows in, changes in temperature mean it's the season of sore throats. But not all sore throats are made equal — some are caused by viruses while others are caused by bacteria. Such ...