What Is the Difference Between Flu A and B? Influenza A and B are two types of influenza viruses that cause seasonal flu outbreaks. Flu A is found in humans, birds, pigs and other ...
The U.S. is battling a bird flu outbreak in wild animals, poultry, and dairy cows—and many are also concerned about their pets. Dr. Stephany Lewis, wildlife medical director at the University of ...
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