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Wisconsin Department of Health Services

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Sexually Transmitted Diseases


Disease Reporting

Group B streptococcal disease

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Group B streptococcal (GBS) disease is caused by the bacterium Streptococcus agalactiae which can cause illness in newborn babies, pregnant women, the elderly and people with weakened immune systems. GBS disease is the most common cause of life-threatening infections in newborns.

Invasive bacteria home

General information

Group B Strep fact sheet   Hmong   Spanish 
Group B Strep (GBS) CDC  

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 F-44151 or by other means within 72 hours upon recognition of a case.
Information on communicable disease reporting

Wisconsin case reporting and public health follow-up guidelines: Group B Streptococcal infections  EpiNet 

Additional resources

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


Wisconsin Local Health Departments - Regional offices - Tribal agencies

Last Revised: August 28, 2014