Previous Health Alerts
WCHD Archive
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The Winnebago County Health Department works to protect the health of all Winnebago County residents and visitors. WCHD monitors for public health concerns through surveillance and investigation. Health Alert are the way WCHD notifies our healthcare community and partners of time-sensitive public health concerns.
Health Alerts are written for healthcare providers and not intended to be for the general public.
This page contains the health alerts released from years past.
2026
2025
2024
2023
2022
- November 3, 2022 – WCHD Health Alert – Respiratory Syncytial Virus Infection (RSV) in Adults
- October 24, 2022 – WCHD Health Alert – MDR Salmonella Newport
- July 14, 2022 – WCHD Health Alert – Monkeypox Exposure Risk
- April 27, 2022 – WCHD Health Alert – Three Potential Cases of Severe Hepatitis in Illinois Children
- April 6, 2022 – WCHD Health Alert – Norovirus Iliness Linked to Raw Oysters
- February 25, 2022 – WCHD Health Alert – Increase in Viral Acute Gastroenteritis Outbreaks
2021
- September 30, 2021 – WCHD Health Alert – Influenza Surveillance Season
- September 23, 2021 – WCHD Health Alert: Clinician Guidance on Individuals Recently Evacuated from Afghanistan
- June 11, 2021 – WCHD Health Alert: Increased Interseasonal Respiratory Syncytial Virus Activity in Parts of the Southern United States
- March 16, 2021 – WCHD Health Alert: COVID-19 Quarantine Period
2020
- February 28, 2020 – WCHD Health Alert: COVID-19 Screening Guidance
- January 31, 2020 – WCHD Health Alert: Updated Screening Guidance
- January 30, 2020 – WCHD Health Alert: 2019-nCoV 2nd Case in Illinois
- January 24, 2020 – WCHD Health Alert: 2019-nCoV Case in Illinois
- January 21, 2020 – WCHD Health Alert: 2019-nCoV Guidance
