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Wisconsin Department of Health Services

Communicable  Diseases Subjects A-Z



Sexually Transmitted Diseases


Disease Reporting

Invasive bacteria

Invasive bacteria are pathogens that can invade parts of the body where bacteria are not normally present, such as the bloodstream, soft tissues like muscle or fat, and the meninges (the tissues covering the brain and spinal cord).

General information 
Invasive bacteria are often associated with diseases such as sepsis (bloodstream infection) and meningitis (inflammation of the tissues that cover the brain and spinal cord). Invasive bacteria that are of public health importance in Wisconsin and the United States include:

Group A streptococcal infections (GAS)      
Group B streptococcal infections (GBS)    
Haemophilus influenzae      
Neisseria meningitidis (meningococcus)  
Streptococcus pneumoniae (pneumococcus) 

Information for health professionals

Antibiotic resistance general information, surveillance reports, guidelines

Additional resources

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


Wisconsin Local Health Departments - Regional offices - Tribal agencies  

Last Revised: February 28, 2014