Influenza Admissions at NorCal Kaiser Permanente Hospitals

A surge of influenza admissions hit Northern CA early this year, starting in mid-November.

Dates are approximates, based on information provided by the California Department of Public Health. The number of influenza admissions is divided by the total number of hospital admissions occurring in the same time period to estimate the percentage of influenza admissions. Chart: Liz Lindqwister Source: CA Department of Public Health
The San Francisco Standard