Whatcom County Health & Community Services

7/16/2026 Health Advisory: Domestically Acquired Cyclosporiasis Cases in Multiple U.S. States

The CDC recently released a Health Advisory on Domestically Acquired Cyclosporiasis Cases in Multiple U.S. States. Click the link to read the full advisory. Background Cyclosporiasis is a gastrointestinal illness caused by the microscopic parasite Cyclospora. People can become infected by consuming food or water contaminated with the parasite. This illness is not usually spread directly from … 7/16/2026 Health Advisory: Domestically Acquired Cyclosporiasis Cases in Multiple U.S. States

12/29/25 Health News: DOH endorses Hepatitis B Birth Dose Vaccine

Dear Health Care Providers, We are writing to ask for your continued support of the hepatitis B vaccine birth dose for newborns.  You are a trusted source of information for your patients, and your guidance plays a critical role in their health decisions, including vaccination. The Washington State Department of Health (DOH) and Whatcom County … 12/29/25 Health News: DOH endorses Hepatitis B Birth Dose Vaccine

12/18/25 Health Update: Guidance for Clinical Consideration of Avian Influenza

This is a Provider Update from the Washington State Department of Health (WA DOH) withupdated guidance about clinical consideration of, and testing for, avian influenza. Current Situation In November of this year, WA DOH confirmed the first known human case of H5N5 influenza.The patient was hospitalized with severe disease that unfortunately resulted in death. ThisProvider … 12/18/25 Health Update: Guidance for Clinical Consideration of Avian Influenza

11/12/25 Health Advisory: Infant Botulism Associated with ByHeart Infant Formula

Date: November 12, 2025 This is a Provider Alert from the Washington State Department of Health (WA DOH) regarding multiple cases of infant botulism after consuming ByHeart Whole Nutrition Infant Formula. Current Situation On November 8th, 2025, the Centers for Disease Control and Prevention (CDC) announced an outbreak of infant botulism linked to infant formula. … 11/12/25 Health Advisory: Infant Botulism Associated with ByHeart Infant Formula

9/29/25 Health Advisory: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox

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 since … 9/29/25 Health Advisory: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox

8/25/25 Health Advisory: Potentially Dangerous Heat Wave in Washington this Week

Current Situation The National Weather Service has forecasted a potentially dangerous long-duration heat event for Washington State and the Western US, beginning August 22 and extending to midweek this week. During this time, elevated daytime temperatures and limited cooling at night may pose a moderate to major risk for heat-related illnesses, with some areas under … 8/25/25 Health Advisory: Potentially Dangerous Heat Wave in Washington this Week

6/27/25 Health Update – Measles

Background Whatcom County Health and Community Services has confirmed two cases of measles in residents of Whatcom County. Cases are part of the same household. Risk to the general community is considered low at this time. We continue to evaluate suspected cases and coordinate testing if indicated. Requested Actions for Healthcare Providers Immediately report suspected … 6/27/25 Health Update – Measles

5/14/25 Health Advisory: Measles Case in King County

Background Public Health – Seattle & King County was notified of a confirmed measles case in a Canadian resident. The person spent time in King and Snohomish counties between April 30 and May 3, 2025, while infectious. Anyone who was at the following locations during the times listed could have been exposed to measles: Date … 5/14/25 Health Advisory: Measles Case in King County