For Long Term Care Facilities

flu 2

Adults 65 years of age and older are at high risk of severe illness and complications from influenza infection. In order to help control outbreaks and protect our community, the Acute Communicable Disease Unit is available to answer questions and provide guidance for your facility.

Reporting to Alameda County

Influenza and Influenza Like Illness (ILI) outbreaks are reportable to both the Public Health Department and the Licensing and Certification.

Please call the Alameda County Acute Communicable Disease Unit to report an outbreak of Influenza or ILI in your facility. Our guidance packet can help facilities prepare for and control outbreaks.


Influenza Like Illness (ILI) is defined as fever ≥100˚ F/37.8˚ C plus a cough and/or a sore throat. The term ILI is used when there are no lab confirmed cases of flu.

Influenza outbreak is defined as one case of lab confirmed influenza by any testing method, including rapid flu test. Confirmation by PCR is preferred, if possible.

Influenza Like Illness outbreak is defined as any sudden increase in acute respiratory illness in the facility population.

Laboratory Specimens

Please test the first 3-4 ill residents or staff when your facility is experiencing an outbreak. Laboratory confirmation of influenza as the cause of an outbreak can provide evidence to support the type and duration of control measures.

When submitting specimens for a suspected influenza or ILI outbreak, please use this form:

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