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Disease Reporting

Group A streptococcal infections

(Streptococcus pyogenes)

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Group A Streptococcus (GAS) or Streptococcus pyogenes is a bacterium commonly found in the throat and on the skin. Many people can carry this bacterium without any symptoms of disease. The majority of group A streptococcal diseases are relatively mild illnesses, such as streptococcal pharyngitis ("strep throat") or impetigo. However, occasionally, these bacteria can cause potentially life threatening "invasive" infections. Invasive infection occurs when group A Streptococci invade parts of the body where bacteria are not normally present, including the blood and soft tissues like muscle or fat.

Invasive bacteria home

General information

Group A streptococcal infections (GAS) CDC   
Impetigo fact sheet (PDF, 16 KB)  Hmong (PDF, 16 KB)  Spanish (PDF, 45 KB)   
Streptococcal pharyngitis (Strep throat) fact sheet (PDF, 14 KB)  Hmong (PDF, 18 KB)  Spanish (PDF, 30 KB)   
Toxic shock syndrome (TSS) fact sheet (PDF, 16 KB)  Hmong (PDF, 19 KB)  Spanish (PDF, 31 KB) 

Information for health professionals

This is a Wisconsin Disease Surveillance Category II disease: 
Report to the patient's local public health department electronically, through the Wisconsin Electronic Disease Surveillance System (WEDSS), by mail or fax using an Acute and Communicable Disease Case Report F44151 (PDF, 167 KB) or by other means within 72 hours upon recognition of a case. DHS Communicable Disease Reporting

Wisconsin case reporting and public health follow-up guidance: Group A Streptococcal infections EpiNet (PDF, 31 KB)   
Wisconsin State Laboratory of Hygiene Clinical Testing Reference Manual  
Wisconsin State Laboratory of Hygiene SLH Communicable Disease Division A To Z Index  

Additional resources

Centers for Disease Control and Prevention website (CDC)  
CDC Active Bacterial Core surveillance (ABCs) Program    

Contacts

Wisconsin Local Health Departments - Regional offices - Tribal agencies

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Last Revised: July 09, 2012