Disease Watch Archive

April 2024

Surveillance Report, 2023-2024 Season Week 13 – April 5, 2024
Surveillance Report, 2023-2024 Season Week 12 – April 1, 2024

February 2024

Surveillance Report, 2023-2024 Season Week 7 – February 28, 2024
Surveillance Report, 2023-2024 Season Week 4 – February 5, 2024

January 2024

Surveillance Report, 2023-2024 Season Week 52 – January 8, 2024

December 2023

Surveillance Report, 2023-2024 Season Week 48 – December 11, 2023

November 2023

Surveillance Report, 2023-2024 Season Week 45 – November 17, 2023
Surveillance Report, 2023-2024 Season Week 44 – November 13, 2023

October 2023

Surveillance Report, 2023-2024 Season Week 41 – October 23, 2023
Surveillance Report – October 23, 2023
Surveillance Report – October 18, 2023

May 2023

Surveillance Report – May 30, 2023
Surveillance Report – May 19, 2023
Surveillance Report – May 15, 2023
Surveillance Report – May 5, 2023

April 2023

Surveillance Report – April 21, 2023
Surveillance Report – April 7, 2023
Surveillance Report – April 4, 2023

March 2023

Surveillance Report – March 24, 2023
Surveillance Report – March 20, 2023
Surveillance Report – March 10, 2023

February 2023

Surveillance Report – February 24, 2023
Surveillance Report – February 10, 2023

January 2023

Surveillance Report – January 13, 2023

December 2022

Flu 2022-23 Surveillance Report – December 30, 2022

March 2022

Flu 2022-23 Surveillance Report - March 18, 2022
Flu 2022-23 Surveillance Report - March 04, 2022

February 2022

Flu 2022-23 Surveillance Report - February 25, 2022
Flu 2022-23 Surveillance Report - February 18, 2022
Flu 2022-23 Surveillance Report - February 7, 2022

January 2022

Flu 2022-23 Surveillance Report - January 21, 2022
Flu 2021-22 Surveillance Report - January 6, 2022
Flu 2021-22 Surveillance Report - January 4, 2022

December 2021

Flu 2021-22 Surveillance Report - December 23, 2021
Flu 2021-22 Surveillance Report - December 16, 2021
Flu 2021-22 Surveillance Report - December 9, 2021
Flu 2021-22 Surveillance Report - December 3, 2021

November 2021

Flu 2021-22 Surveillance Report - November 30, 2021
Flu 2021-22 Surveillance Report - November 10, 2021
Flu 2021-22 Surveillance Report - November 4, 2021

October 2021

Flu 2021-22 Surveillance Report - October 28, 2021
Flu 2021-22 Surveillance Report - October 21, 2021
Flu 2021-22 Surveillance Report - October 19, 2021

February 2021

Flu 2020-21 Surveillance Report - February 6, 2021

Flu 2017-18

Individuals 0-64 years of age:
2017-18 ICU cases: 86
Flu associated deaths: 23
(Last updated: 04.30.18)

2017-18 Vaccine effectiveness/CDC
Surveillance Report
Special Season EMS Report
Week 52

2016

Individuals 0-64 years of age:
ICU: 27 cases
Influenza related deaths: 2
(Last updated 3/31/17)

Surveillance Report (Updated 12.19.17)
Weekly Influenza Snapshot (3/19/17-3/25/17)
FluView - 2017-2018 Season Week 2 ending 1/14/17
View Advisories
CDPH Report
Surveillance Report Archive

Zika: 2017-18

Riverside County Human Cases:
Travel Associated: 3
Locally Acquired: 0
(Last Updated 01.16.18)

Zika: 2016

Riverside County Human Cases:
Travel Associated: 16
Locally Acquired: 0
(Last Updated 5/8/17)

Hepatitis A

*Outbreak-linked cases in 2017: 2 (Last updated: 01.08.18)
(*Same strain identified in outbreak jurisdictions)
Non-outbreak-linked cases:
2017: 12 (Last updated 01.08.18)
2016: 11
2015: 14

Travel Alerts

Health and Travel Advisory/Zika (Feb. 2017)
Zika travel reminder from CDPH (Feb. 8, 2017)

TB

World TB Day--March 2017
2016 TB Fact Sheet
CDC: World TB Day -- March 24, 2017

Leprosy (Hansen's Disease)

Frequently Asked Questions

Disease Reporting

Surveillance Reports 2021-2023

Important News

Reporting Guidelines