The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.
(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the Centers for Disease Control and Prevention since the start of ...
The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...
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