Health Advisory: Listeria contamination of restaurant milkshakes in Tacoma

Actions requested Background The Washington State Department of Health announced that from Feb. 27 to July 22, 2023, six Washington residents (five from Pierce County and one from Thurston County) reported severe illness, which was linked to infection with Listeria bacteria (or listeriosis). All infected residents had weakened immune systems. Three residents died. Whole genome sequencing (or … Health Advisory: Listeria contamination of restaurant milkshakes in Tacoma