H5N1

Context:

H5N1 Cases in U.S. Rises

Key Highlights:

• First H5N1 case reported in Texas in April.
• Despite 52% fatality since 2003, no deaths reported.
• B3.13 genotype of H5N1 clade 2.3.4.4b in dairy cows, infected 63 people.
• D1.1 genotype infected in Louisiana patient, detected in wild birds and poultry.

Avian influenza A(H5N1), also known as bird flu, is a highly infectious respiratory disease that can affect birds, mammals, and humans as well.