Most Strep A infections are mild, but in rare cases the bacteria can cause serious illness The death of five-year-old Jax Jefferys from Group A streptococcal sepsis has brought renewed attention to ...

CUMBERLAND, RI — One in a billion. That’s what doctors said about Danny Jutras, a local 7-year-old who spent 10 days at Boston Children’s Hospital after the flu and pneumonia morphed into something ...

Streptococcus pneumoniae is a main cause of bacterial pneumonia worldwide. It can also cause ear and sinus infections and, in more severe cases, meningitis or sepsis. It shares the human respiratory ...

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 ...

Strep throat is a common throat infection that often causes a sore throat, fever and trouble swallowing. It tends to come on quickly and may feel worse than a typical cold. While strep throat is most ...

Cases of group A streptococcus (GAS) have been on the rise in the past decade. The bacteria can cause a range of diseases that span from mild to deadly. In addition, the bacteria are diversifying and ...

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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 ...

Severe, possibly life-threatening strep infections are rising in the United States. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. The number of ...