Pet owners must take "proper precautions to reduce the risk of spread," said Dr. Susan Nelson, a veterinarian and professor.

A map published by the CDC shows that 32 states and Washington, D.C., have “very high” levels of flu, while 11 states are ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.