Researchers have discovered an enzyme they believe could be key to preventing Group A Streptococcus infections that cause more than 500,000 deaths worldwide each year. The enzyme works through a novel ...

A streptococcal infection may lead to other diseases, such as acute rheumatic fever, pediatric autoimmune neuropsychiatric disorders, and post-streptococcal glomerulonephritis. Group A beta-hemolytic ...