Some rapid tests available at doctors offices and urgent care centers can distinguish between influenza A and B, although they tend to have low sensitivity, a measure of how well a test performs ...

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

The Centers for Disease Control issued a health alert calling for the immediate testing of patients hospitalized with influenza A to quickly identify avian flu cases. The CDC's new guidance comes ...