Washtenaw County Public Health has reported that since November 1, almost 40 cases of lab-confirmed influenza A have been reported in Washtenaw residents. Of the cases that have been subtyped, all have been A/H3. Six Washtenaw adults had flu-related hospitalizations last week; ages ranging from 57 – 93 years old.
On November 14, the first influenza outbreak in a long-term care facility in Washtenaw for this season was confirmed. Influenza A was detected in multiple residents on the same unit and three individuals were hospitalized. Samples have been sent to the State Lab for confirmation and subtyping.
Actions for Clinicians:
· Continue to promote vaccination in all persons 6 months and older.
· Consider antivirals for symptomatic individuals, especially if they are at high risk for complications from influenza infection. See the CDC webpage for current recommendations: http://www.cdc.gov/flu/professionals/antivirals/summary-clinicians.htm
See the Washtenaw County Flu Activity webpage for more details on local flu surveillance: http://www.ewashtenaw.org/government/departments/public_health/disease_control/ph_flusurveillance.html