Post-race fever, rashes, and nausea plague participants of the recent muddy endurance event in Sonoma County, prompting a Health Advisory for potentially more serious infections.

Sonoma County Health Officer issues an order for health care facility staff to wear masks, amidst the growing risk of respiratory virus-related illnesses.

Sonoma County expands mental health support for local foster youth with the launch of a $27 million pilot program designed to shorten wait times and reduce disruption in their lives.

Avian flu outbreak prompts mass bird culls of at least 250,000 animals in Sonoma farms, as reports note potential cases in other countries, too

Sonoma County declares emergency amid bird flu outbreak.

Sonoma County expands its Mobile Crisis Units program to provide mental health professionals for crisis calls countywide, aiming for fast response times and reduced law enforcement interaction.

In a landmark decision, the Sonoma County Board of Supervisors has passed a unanimous resolution labeling racism a public health crisis...

Sonoma County bans e-cigarette and flavored tobacco sales in unincorporated areas to curb teen vaping, with new face-to-face sale requirements at licensed shops and environmental benefits noted.

Sonoma County lifts avian flu emergency, paving the way for recovery after no new cases since February 1st and cessation of the quarantine. Local agriculture begins rebuilding following the virus' significant economic impact.

Marin County is launching the CARE Court program on December 1 to address severe mental illnesses through collaborative and comprehensive care plans, integrating housing support and substance abuse therapy.

Sonoma County mandates masks for healthcare workers at facilities from Nov. 18 to April 30 to prevent respiratory illness surge, including COVID-19 and flu.

A child in Marin County may have bird flu; tests are pending at the CDC. This follows recent H5N1 findings in local birds, poultry, and milk, leading to cautious measures.

Sonoma County has approved a Behavioral Health Bridge Housing program to support homeless individuals with severe mental health challenges, launching February 3.

Napa County reports high food safety scores, with over 90% of inspections earning an "A" despite challenges like COVID-19 and wildfires. Improvements in training and technology are credited.

Sonoma County has introduced "Health To Go" vending machines to offer free health supplies, including Narcan and condoms, to improve public health accessibility and privacy.

Napa County plans to convert its Reentry Facility into a Behavioral Health Treatment Center with funds from various sources, addressing mental health and substance abuse.

Sonoma County allocated nearly $6 million to fund five mobile crisis teams for mental health emergencies, supported by Measure O sales tax revenue, ensuring operation through June 2026.

West Nile virus has been detected in a mosquito pool in Solano County, prompting health authorities to ramp up surveillance and control measures, while urging public participation in prevention efforts. No human cases have been reported locally.

West Nile virus activity intensifies across Northern California with 9 confirmed human cases statewide and over 1,100 positive mosquito samples detected in 2025.

Sonoma County issues a health order mandating masks in health facilities to combat respiratory illnesses from November 1 until March 31, 2026, while encouraging vaccinations for flu, COVID-19, and RSV.

Bay Area health officials encourage flu and COVID vaccinations for everyone over 6 months to bolster community immunity and prepare for the holiday season.

State health officials say TRE House magic mushroom gummies, bars and syrup tested positive for illegal psychedelic compounds and should not be eaten.

California now requires tortillas to be fortified with folic acid to reduce birth defects in the Latino community, where prior folic acid consumption was low.

Sonoma County issues advisory against wild mushroom consumption after a resident dies and poisonings surge, including cases requiring liver transplants.

An analysis of millions of California pregnancies reveals a sharp rise in prenatal opioid use over the past decade, with newborns increasingly born into withdrawal and requiring intensive medical care. The surge is fueling calls for expanded maternal treatment programs.

A larger second flu peak has hit Sonoma and Napa counties as H3N2 and rising wastewater signals push test positivity and hospital visits higher. Health officials urge vaccination and early treatment.

A winter surge of death cap and lookalike mushrooms has hospitalized dozens in California, with Spanish‑speaking and Mayan immigrant communities among the hardest hit.

Santa Clara County confirmed a measles case in an adult who recently traveled abroad; officials say the vaccinated patient is isolating and urged residents to check MMR status.

Wastewater scans and public‑health data show human metapneumovirus rising in parts of Northern California. The virus can cause a seal‑like 'barking' cough in young children.

Aedes aegypti — a bottle‑cap‑breeding, day‑biting mosquito that can spread dengue and Zika — has been detected in parts of the Bay Area; officials urge residents to clear standing water.

At a Santa Rosa town hall, lawmakers and health leaders warned rural hospitals and maternity services are at risk from funding cuts and razor‑thin margins.

Providence will stop admitting pediatric inpatients at Santa Rosa Memorial on March 27 and repurpose the eight‑bed unit for adult care, prompting concern from doctors and county advisers.

A new gastroenterology clinic will open in April at Sonoma Valley Hospital, with endoscopy starting in May and expanded Saturday imaging already under way. The changes aim to keep more screenings local.

New data show Santa Rosa's Face to Face supplied 44% of county naloxone and was tied to 66% of reported reversals in 2024.

Wastewater surveillance shows rotavirus rising across Northern California; parents are urged to watch infants for dehydration and discuss vaccines with clinicians.

Doctors and regulators are urging California to consider banning high‑silica engineered stone after hundreds of fabricators developed silicosis and dozens have died.

Napa County is monitoring Rohlffs Manor after two residents were diagnosed with Legionnaires’ disease. Initial environmental samples at the complex tested negative as officials continue to investigate.

MarinHealth has opened a Women’s Lifelong Health & Wellness Clinic in Greenbrae offering longer, team-based care for menopause and midlife health. The clinic is led by Dr. Lizellen La Follette and is accepting patients.

A new CMS proposal would cap Medicaid ambulance add‑ons at Medicare rates, threatening millions in reimbursements for Sonoma County fire‑based EMS. Local chiefs are recalculating budgets as the comment period opens.