Experts say this is the worst flu season in the U.S. in more than a decade and cases are still trending up. Flu infections have reached the highest level since the winter of 2010 and 2011 when the ...

The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness and public health risks.

Currently, influenza A is dominant, according to data from the Centers for Disease Control and Prevention. “You tend to have one or the other virus predominant at any given time,” said Anice ...

In a question and answer format, UC Riverside public policy professor Richard Carpiano and medical school professor Dr.