King County wants employees to be healthy so you can feel good, get the most out of life, and do your best work for the community we serve.

While respiratory illness season begins in autumn, it typically peaks in January and February and continues through the spring, with potential COVID-19 waves any time of year. The Washington State Department of Health (DOH) recommends that everyone six months and older receive the 2026-2027 flu and COVID‑19 vaccines. Read more.