The Washington State Department of Health now classifies the state’s flu activity as “very high.” The Good Brigade GettyImages While it got off to a late start this year, flu season is in ...

The most recent weekly flu update published by the Washington State Department of Health called transmission levels “very high” as the state surpassed 480 confirmed cases two weeks in a row.

The share of Washington children getting flu vaccines fell this year, with the state's decline far outpacing the drop nationally, according to new CDC data. Why it matters: Flu shots can help ...

The Washington State Department of Agriculture announced late Friday afternoon that H5N1 bird flu was spreading in a large commercial chicken flock in Franklin County but did not identify the farm.

Bird flu has been on the rise in Washington state and one sanctuary was hit hard: 20 big cats – more than half of the facility’s population – died over the course of weeks. The Wild Felid ...