Streptococcus pyogenes, which is often called group A Streptococcus, infects people around the world. While estimates vary, these infections could be responsible for the deaths of over half a million ...

"With Strep A being extremely common and every healthy adult having previously encountered it, all the participants had some antibodies against Strep A before the study," Dr. Osowicki said. "We found ...

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 ...

Sore throats and sour news. A recent study from the Centers for Disease Control and Prevention found that the number of potentially life-threatening invasive group A strep infections more than doubled ...

Strep throat is one of a several conditions, among them pneumonia, scarlet fever, impetigo, and flesh-eating necrotizing fasciitis, caused by the bacterium Streptococcus pyogenes, better known as ...

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 ...

"Flesh-eating" or "Strep" bacteria are able to survive and spread in the body by degrading a key immune defense molecule, according to researchers at the University of California, San Diego, School of ...