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Reportable Diseases
A selection of common reportable disease are showcased in the table below.
A more extensive list of diseases as well as additional details regarding the below spotlight items can be found in the full-length report.
Spotlight: Ciprofloxacin-Resistant Meningococcal Disease in Wisconsin
(Update from 9/24/26)
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The Wisconsin Department of Health Services (DHS) recently identified a case of invasive meningococcal disease caused by ciprofloxacin-resistant Neisseria meningitidis.
- This is the fifth ciprofloxacin-resistant case since June 2024. Since then, approximately 30% of invasive meningococcal disease cases in Wisconsin have been resistant to ciprofloxacin.
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Wisconsin is following guidance from the Centers for Disease Control and Prevention (CDC) to discontinue use of the antibiotic ciprofloxacin for the prophylaxis of contacts until 24 months have passed without any reported cases caused by ciprofloxacin-resistant strains.
- Antibiotic prophylaxis with ciprofloxacin in areas with ciprofloxacin resistance can result in prophylaxis failure.
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Health care providers should not prescribe ciprofloxacin to prevent meningococcal disease in close contacts of people with invasive meningococcal disease. Instead, providers should prescribe rifampin or ceftriaxone in accordance with CDC's recommended chemoprophylaxis regimens for high-risk contacts.
Spotlight: Measles
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Cases of measles have been confirmed in several counties in Wisconsin. The Wisconsin Department of Health Services (DHS) is working with the health departments in those counties to investigate the cases and notify anyone who may have been exposed.
- Vaccination should be recommended to prevent further cases of measles.
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Health care providers in Wisconsin should review protocols for managing patients who present with measles-like symptoms. All suspected measles cases should be reported to the local health department to coordinate testing and investigation.
- As of October 9, 2026 in Wisconsin there have been 263 cases of Measles, 5 hospitalizations, and 0 deaths. The majority of cases have occurred in Southwestern Wisconsin.
Spotlight: Ebola
(Update from 10/7/26)
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CDC is responding to an outbreak of Ebola disease caused by Bundibugyo virus in remote areas of the Democratic Republic of the Congo (DRC).
- To date, no cases of Ebola disease have been confirmed in the United States because of this outbreak.
- The overall risk to the American public and travelers remains low.
- There have been a total of 8,809 confirmed cases of Ebola and 4,245 deaths due to Ebola.
Quarterly Case Counts
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