Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

Researchers at Texas Biomed have identified nine mutations in a strain of bird flu found in a person in Texas. Bad news: This ...

Frigid temperatures and light snow are expected in parts of Oklahoma, with single-digit lows and sub-zero wind chills in some ...