Increase in Invasive Group A Strep Infections, 2022–2023

CDC is looking into an increase in invasive group A strep (iGAS) infections among children in the United States. iGAS infections include necrotizing fasciitis and streptococcal toxic shock syndrome.

Group A Streptococcal (GAS) Disease

Physician examining young patient

Bacteria called group A Streptococcus (group A strep) can cause many different infections.

The best way to protect yourself from group A strep infection is to practice good hygiene, like washing your hands often.

Información en español: Estreptococos del Grupo A

Diseases Caused by Group A Strep

Learn about some of these infections, including symptoms, risk factors, treatment options, and how to prevent them.

Outbreaks
Nurse taking care of mature male patient sitting on wheelchair in hospital