Influenza / RSV Quick Links

Influenza / RSV Quick Links Collection

Page Last Updated: January 23, 2023

California CDPH Links

CDPH’s main Influenza (Flu) and Other Respiratory Diseases page.

Current and archived Surveillance Reports (includes downloadable excel data files)

CDPH’s main RSV (Respiratory Syncytial Virus) page

Other National Links

CDC Links


Frequently Asked Influenza (Flu) Questions: 2022-2023 Season

Key Facts About Influenza

Similarities and Differences between Flu and COVID-19​

People at High Risk For Flu Complications

Flu Resources for Business

Forecasts of Flu Hospitalizations

FLU-VIEW: Weekly U.S. Influenza Surveillance Report (past weekly reports for the current season and flu seasons back to 1999-2000 are also available)

FluView Interactive – National, Regional, and State Level Outpatient Illness and Viral Surveillance

FluView Interactive – Age Group Distribution of Influenza Positive Tests Reported by Public Health Laboratories

Information about past flu seasons


Respiratory Syncytial Virus Infection (RSV)

Main Respiratory Syncytial Virus Infection Page

RSV-NET Interactive Dashboard – The rates presented on the RSV-NET interactive dashboard can be used to follow trends and comparisons of RSV-associated hospitalizations in different demographic groups and across seasons

RSV State Trends


Multiple Respiratory Conditions

National Emergency Department Visits for COVID-19, Influenza, and Respiratory Syncytial Virus

County Influenza Links

Note – Not all counties share regular local weekly influenza reports. Some counties also don’t start until influenza activity picks up within their county. 

Alameda County

Alameda County Public Health Flu Page


Contra Costa County

County Influenza Page


El Dorado County

Flu Information


Fresno County

Fresno  County Main Flu Information Page

2022-2023 Weekly Influenza Update


Los Angeles County

Los Angeles County influenza surveillance information is summarized during flu season and released to the public through their free emailed Influenza Watch report: To receive this report, email “Subscribe” to

Influenza in Los Angeles County Website

Flu Vaccination Page

Long Beach Public Health Weekly Influenza Reports


Marin County

Influenza Activity Updates Note: page header may still say 2020, but if you scroll down you will see the 2022-2023 season information

Marin Flu Surveillance Data – email subscription to the county influenza surveillance available on the page.


Monterey County

Influenza – Local Data


Riverside County

Disease Control

Disease Watch


San Bernardino County

County Influenza Page


San Diego County

County Seasonal Influenza (Flu) Page

County Influenza Epidemiology Page

County Respiratory Virus Surveillance Report (latest version)

Past Influenza Season Reports

Influenza Slide Deck, 2022 – 23 Year to Date (latest version) – Influenza surveillance tables and graphs, for public use.

Flu Vaccine Locations

San Francisco County

Influenza (Flu) Page

Flu Dashboard


Santa Barbara County

Seasonal Influenza Page

Seasonal Flu 2022-2023 Page

Seasonal Influenza-Weekly Local Update – County Sentinel Influenza Report (latest version)


Santa Clara County

Influenza Reports