County of Los Angeles
Department of Public Health
Acute Communicable Disease Control
313 N. Figueroa Street, Room 212
Los Angeles, CA 90012
Phone: (213) 240-7941
Fax: (213) 482-4856
The Acute Communicable Disease Control program of Public Health uses collected surveillance data to
produce Influenza Watch - a weekly newsletter describing influenza in Los Angeles County.
The newsletter will also include important news, announcements, and guidelines concerning influenza.
We encourage you to sign up for these weekly reports at: LA
County Department of Public Health - ListServ
or send an email to
ListServ@ListServ.ladhs.org with SUBSCRIBE FLUWATCH
in the body of the email. The newsletter will be electronically distributed each week throughout the
traditional influenza surveillance season, from the beginning of October to mid-May, and posted here.
Summary Surveillance of Past Influenza Seasons in Los Angeles County
Note: Each jurisdiction uses different methodology for influenza surveillance so comparison
between jurisdictions is difficult. However, comparing influenza activity in each jurisdiction at a
certain time period may accurately reflect regional activity.