What to know
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.
Read the latest H5N1 technical report for information on H5N1 outbreaks globally.
Report reviews current outbreaks of influenza A(H5N1) viruses in animals and risk for public health.
This report provides an update to the original report posted on March 17, 2023, to include additiona...
This report provides an update to the original report posted on March 17, 2023, to include additiona...
CDC is actively working on the domestic situation with clade 2.3.4.4b HPAI A(H5N1) viruses in wild b...
The latest H5N1 technical report and all previous technical reports are available from the H5N1 tech...
CDC is actively working on the domestic situation with clade 2.3.4.4b HPAI A(H5N1) viruses in wild b...