Notes from the Field: Outbreak of Escherichia coli O157:H7 Infections Linked to Organic Walnuts - Washington and California, 2024

Published on November 26, 2025

This report describes CDC's multistate investigation to confirm the genetic relatedness of infections in an E. coli outbreak linked to walnuts and identify additional cases.

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Notes from the Field: Expanding Birthing Hospital Enrollment in the Vaccines for Children Program to Increase Infant Immunization Against Respiratory Syncytial Virus - United States, October 2023-March 2025

November 20, 2025
This report describes a CDC collaboration with professional organizations and health departments to enroll birthing hospitals in the Vaccines for Children Program to increase infant immunization against respiratory syncytial virus.

Human-to-Human Rabies Transmission via Solid Organ Transplantation from a Donor with Undiagnosed Rabies - United States, October 2024-February 2025

December 4, 2025
This report describes the public health response to a patient who died after transplantation with an organ from a donor with undiagnosed rabies.