Health Advisory: Be Alert for Mpox: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox

09/29/2025 This is a Provider Alert from the Washington State Department of Health (WA DOH) Office of Infectious Disease. WA DOH is requesting that providers remain alert for cases of mpox due to: Current Situation: Mpox (formerly “monkeypox”), the infection caused by the mpox virus (MPXV), has been circulating at low levels in Washington State … Health Advisory: Be Alert for Mpox: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox