Reporting Requirements
Ohio Department of Health's Infectious Disease Reporting Requirements
Disease Classifications ODH ABCs
CLASS A DISEASES
Diseases of major public health concern because of the severity of disease or potential for epidemic spread.
Reporting Requirement: Report by telephone immediately upon recognition that a case, a suspected case, or a positive laboratory result exists.
Class A Disease Listing
| Anthrax | Plague |
| Botulism, foodborne | Rabies, human |
| Cholera | Rubella (not congenital) |
| Diphtheria | Severe acute respiratory syndrome (SARS) |
| Influenza A - novel virus | Smallpox |
| Measles | Tularemia |
| Meningococcal disease | Viral hemorrhagic fever (VHF) |
| MERS CoV | Yellow fever |
| Any unexpected pattern of cases, suspected cases, deaths or increased incidence of any other disease of major public health concern, because of the severity of disease or potential for epidemic spread, which may indicate a newly recognized infectious agent, outbreak, epidemic, related public health hazard or act of bioterrorism. | |
Class B Diseases
Diseases of pubic health concern needing timely response because of potential for epidemic spread.
Reporting Requirement: Report by the end of the next business day after the existence of a case, a suspected case, or a positive laboratory result is known.
Class B Disease Listing
Class C Diseases
Outbreaks, unusual incidence, or epidemics (e.g., histoplasmosis, pediculosis, scabies, staphylococcal infections)
Reporting Requirement: Report an outbreak, unusual incidence, or epidemic by the end of the next business day.
Outbreaks
| Community | Healthcare-associated | Waterborne |
| Foodborne | Institutional | Zoonotic |
Guidelines & Manuals
CDC STD Guidelines and Recommendations
Ohio Infectious Disease Control Manual (IDCM)
Forms
Find general reporting forms and instructions on the Reports page.
For a specific disease-related form, explore our comprehensive Disease page.
