Group A Streptococcal (GAS) Disease

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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.

For Professionals

Outbreaks

Public Health Response to OutbreaksCDC can assist health departments during GAS outbreaks.
Long-term Care Facilities Outbreaks: Investigation ToolsCDC toolkit for personnel in public health departments and long-term care facilities.