Flu A is more common and can infect humans and animals, allowing it to cause widespread outbreaks. Flu B only affects humans, ...

What’s the difference between influenza A and influenza B, and does it matter which you catch? By Knvul Sheikh Each fall, the flu emerges as a formidable force, spreading through the droplets ...

One of the most notable differences between the cold and the flu ... help protect you against the most common flu strains, like influenza A and B. Can You Have Both a Cold and the Flu?