Uncategorized Archives - Public Health Alerts

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DELAWARE HEALTH ADVISORY #536: Domestically Acquired Cyclosporiasis Cases in Delaware and Multiple U.S. States

The Delaware Division of Public Health (DPH) is sending this health advisory to alert clinicians and health care partners of domestically acquired cyclosporiasis in multiple U.S. states. Summary   DPH is sending this health advisory to alert clinicians and health care partners. Since May 1, 2026, The Centers for Disease Control and Prevention (CDC) has received […]

Delaware Health Advisory #535: Increase in Pertussis Cases, Including Among Delaware Adolescents and Infants

The Delaware Division of Public Health (DPH) is sending this health advisory to alert clinicians and health care partners about increased numbers of pertussis cases. Summary Clinicians and health care partners should be aware of the increased number of pertussis (whooping cough) cases in Delaware, with the increase being primarily among adolescents and infants, including […]

DELAWARE HEALTH ALERT #532: Visible Contamination Found in Intravenous (IV) Tubing

The Delaware Division of Public Health (DPH) is issuing this health alert to all Delaware health care facilities and providers to notify them that a health care system in Maine has identified visible contamination in multiple lots of intravenous (IV) tubing. The situation is evolving and DPH will provide updates as more information becomes available. Summary […]

DELAWARE HEALTH ADVISORY #531: Measles Detection in Lewes Wastewater Sample

The Delaware Division of Public Health (DPH) is sending this health advisory to notify health care providers of a detection of measles found in sewage samples through routine wastewater testing in Lewes, Delaware. The positive samples were collected on Wednesday, April 22, 2026 and Monday, April 27, 2026. Detection of measles in wastewater does not […]

DELAWARE HEALTH ADVISORY #530: First Delaware Tick Positive for Powassan Virus: Important Information for Health Care Providers

The Delaware Division of Public Health (DPH) is sending this health advisory to notify health care providers of the first detection of Powassan virus in a tick in Delaware. The tick was collected in June 2024 in New Castle County and the positive test results were reported to DPH in February 2026. Although there are […]

DELAWARE HEALTH ADVISORY #529: Measles Exposure at Delaware Health Care Facility

The Delaware Division of Public Health (DPH) is issuing this health advisory to notify clinicians of a measles exposure at the Nemours Children’s Hospital emergency department in Wilmington on February 18, 2026. Summary On February 20, 2026, DPH received positive laboratory test results for measles in an unvaccinated individual. The individual is a resident of […]

DELAWARE HEALTH ALERT #528: Human Exposure to Avian Influenza

The Delaware Division of Public Health (DPH) is sending this health advisory to alert clinicians and health care partners about human exposure to a commercial broiler flock with presumptive positive H5 HPAI (avian influenza). Summary   DPH is sending this health advisory to alert clinicians and health care partners that a commercial broiler chicken flock […]

DELAWARE HEALTH ADVISORY #526: BACKYARD POULTRY FLOCK TESTS PRESUMPTIVE POSITIVE FOR AVIAN INFLUENZA

The Delaware Division of Public Health (DPH) is sending this health advisory to alert clinicians and health care partners about human exposure to a mixed species poultry flock with H5 avian influenza. Summary DPH is sending this health advisory to alert clinicians and health care partners that a backyard poultry flock tested presumptive positive for […]

DELAWARE HEALTH ALERT #525: Increase in Emergency Department Visits Due to Tick Bites in Delaware

The Delaware Division of Public Health (DPH) is sending this health alert to inform Delaware clinicians of a significant and early-season increase in emergency department (ED) visits related to tick bites across the state. Summary · Tick bite-related emergency department (ED) visits have increased substantially compared to previous years in the same time period in […]