Locally, influenza activity has significantly increased in recent weeks. At the State level, influenza activity is widespread. Influenza activity is expected to continue for months; it's not too late to vaccinate.
The most frequently identified influenza virus reported by Orange County Public Health Laboratory was influenza A(H1N1)pdm09 virus.
No influenza-associated deaths in persons under the age of 65 years have been reported to Orange County Public Health so far this season.
Vaccinating hospitalized patients does not increase risk of outpatient visits, hospital readmission, fever or laboratory tests for infection (read more here).
Seasonal influenza vaccine reduced influenza-related hospitalizations among patients with chronic obstructive pulmonary disease by 37.5% (read more here).