H5N1 Technical Report

Due to ongoing global H5N1 bird flu outbreaks in animals and sporadic infections in people, the H5N1 technical reports will be produced as needed moving forward, and not on a regular cadence.

H5N1 Technical Report

These technical reports are intended for scientific audiences. Additional information for scientific audiences and the general public is available on CDC’s Information on Bird Flu webpage.

December 29, 2023

NewNewTechnical Report

This report provides an update to the report posted on October 27, 2023.

Read the Report