Report clusters by BIDLS Report Form
Report clusters of influenza-like-illness (ILI) to Massachusetts Department of Public Health via the online report form or by phone (617) 983-6800.
For specific information about reporting, see the MDPH 105 CMR 300.000: Reportable Diseases, Surveillance and Isolation and Quarantine Requirements.
Immediately report the following influenza-related cases by phone
All immediately reportable cases listed below should be reported by phone to the Division of Epidemiology at (617) 983-6800 and to your local board of health. Providers in the city of Boston should report directly to the Boston Public Health Commission at (617) 534-5611 in addition to the Massachusetts Department of Public Health.
- Suspected and confirmed deaths related to influenza in children under 18 and in pregnant people.
- Unusual or unusually severe cases of influenza or influenza like illness (ILI), e.g., with encephalopathy, myocarditis, or pericarditis. ILI is defined as fever with cough and/or sore throat.
- Unusual clusters of ILI in daycare and elementary schools.
- Cases of suspected or proven antiviral treatment or prophylaxis failure.
- Suspected novel or variant influenza, e.g., travel-associated or animal-associated, (including avian influenza A H5N1 or H7N9, other avian influenza or swine influenza H3N2v)
- Influenza or ILI in employees of swine, dairy cattle or poultry farms.
Division of Epidemiology: (617) 983-6800
Boston Public Health Commission: (617) 534-5611