IDRS - Infectious Disease Reporting System

Disease Reporting

Report in 3 easy steps!

1Determine the reporting requirement for the disease using
one or more of the following tools:

2Complete a report form with all available information pertaining to the patient,
lab testing, provider and disease (click on each to expand option info):


Disease Specific Forms

CLASS A Diseases

All suspected or confirmed cases of class A reportable disease, bioterrorism event, or other infectious disease emergency must be reported IMMEDIATELY by phone as soon as knowledge or suspicion of a case exists.

  • What is a Class A Disease?
  • During business hours (8:00 a.m. - 5:00 p.m. Mon - Fri excluding holidays):
  • Call (937) 642-2053 and state you are reporting a Class A disease. You will be transferred to the appropriate health department personnel. 
  • After hours: Call (937) 645-4100. Tell the Union County Sheriff's Office dispatcher that you are calling to report a Class A disease. The dispatcher will take your contact information and your call will be returned shortly by health department personnel.

** To ensure accuracy of information left by phone, please fax a copy of the completed Ohio Confidential Reportable Disease Form

3After collecting all required information and completing the form, report the disease using one of the following options:

  • Ohio Confidential Reportable Disease Form is a generic form for most reportable diseases. This is a fillable pdf for completion and printing - the completed form cannot be saved electronically on most computers.
  • FAX: (937) 642-9725
  • CALL: (937) 642-2053
  • EMAIL:
  • MAIL: Union County Health Dept, IDRS  |  940 London Ave, Suite 1100  |  Marysville, OH 43040