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Communicable Diseases
The Disease Investigation and Surveillance program works to investigate communicable disease reports, identify and respond to outbreaks of infectious diseases, and analyze data to discern disease trends in the community.
Reportable Diseases
Pennsylvania Health Alerts
Click here to view the latest PA health alerts, advisories and updates.
Communicable Disease Reports
An infectious disease reports are released regularly to ensure Chester County data is accessible to the public. The monthly communicable disease report includes monthly case counts for the current year. Data for vaccine preventable illnesses, invasive diseases, enteric illnesses and animal bites are detailed. The weekly influenza and RSV report features most recent and cumulative data for Chester County and the state of Pennsylvania.
Disease Information
- Avian Flu
- Babesiosis
- Candida Auris
- Cryptosporidiosis
- E. Coli
- Ebola
- Infant Botulism
- Influenza (Flu)
- International Travel Information
- Legionnaires' Disease
- Listeria
- Lyme Disease
- Measles
- Meningitis
- Mosquito-Borne Diseases
- Mpox
- MRSA
- Mumps
- Norovirus
- Rabies
- Respiratory Syncytial Virus (RSV)
- Rocky Mountain Spotted Fever
- Salmonella
- Scabies
- Seoul Virus
- Sexually Transmitted Diseases (Chlamydia, Genital Herpes, Gonorrhea, Hepatitis B, Hepatitis C, HIV Infection, HPV, and Syphilis)
- Shigella
- Shingles
- Tuberculosis
- West Nile Virus
- Zika