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Diphtheria Information for Healthcare
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Investigation and Reporting
Diphtheria is a nationally notifiable disease. Health care providers should immediately report cases and possible cases of mumps to local health department serving the residence of the case.
Michigan-specific Diphtheria Investigation Guidelines: Diphtheria Investigation Guidelines (michigan.gov)
CDC VPD Surveillance Manual: Diphtheria - Vaccine Preventable Diseases Surveillance Manual | CDC
For more information on Communicable Disease Reporting: Communicable Disease Reporting in Michigan
Notifiable diseases in Michigan:
Michigan's List of Notifiable Diseases 2025 By Condition
Michigan's List of Notifiable Diseases 2025 By Pathogen -
Clinical Features and Epidemiology
Diphtheria chapter in the Pink Book on vaccine-preventable diseases
Chapter 7: Diphtheria | Pink Book | CDC
Information on symptoms and events to help providers assessing a patient with suspected, probable, or laboratory-confirmed diphtheria
CDC: Clinical Guidance for Diphtheria
Disease presentation, symptoms and complication information for health care providers including photos of the disease. Warning: Graphic medical images
CDC: Clinical Features of Diphtheria -
ACIP Recommendations and MMWR Reports
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Healthcare Workforce
All HCPs who have not or are unsure if they have previously received a dose of Tdap should receive a dose of Tdap as soon as feasible, without regard to the interval since the previous dose of Td. Pregnant HCPs should be revaccinated during each pregnancy. All HCPs should then receive Td or Tdap boosters every 10 years thereafter.
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Educational Resources