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Public Health Status Update for 05/24/2024

Marin County Public Health Status Update for May 24, 2024, includes Wastewater Monitoring for H5N1 Bird Flu Begins in Marin; Play Marin: Health Equity in Action; Vaccines Shield Against Long COVID; CalFresh and Food… Read More

Public Health Status Update for 02/09/2024

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Marin County Public Health Status Update for February 09, 2024, includes COVID-19 Transmission Rising Rapidly; Power Restoration Extended Beyond the Weekend; Pertussis Circulating in Marin; Syphilis Resurgence; and COVID-19 Data Update.  

The Marin County Public Health Status Update is published weekly to share news and resources related to pandemic response and recovery, emergency preparedness, and other public health priorities.

COVID-19 Transmission Rising Rapidly  

The volatility of winter virus season continues. COVID-19 transmission has spiked locally as the JN.1 variant takes hold. SARS CoV-2 virus concentrations and COVID-19 hospitalization rates have doubled in the past 2 weeks. 25 out of 27 (93%) of the most recent local samples analyzed were the JN.1 strain. At the same time, wastewater and clinical data suggest RSV and flu activity in waning. Individuals with respiratory virus symptoms should test for COVID-19, isolate appropriately, and wear a mask for at least 10 days when indoors.  

Power Restoration Extended Beyond the Weekend  

PG&E has indicated that power may not be restored until early next week to some areas still experiencing outages from last weekend’s storms. Most impacted households are in West Marin. Residents who have lost access to heat, need support for electronically powered medical equipment, or need food due to spoilage should call 2-1-1. Marin County Public Health has prepared guidance for residents experiencing extended outages. Stay informed by visiting the County of Marin Emergency Portal and receive emergency alerts through AlertMarin

Pertussis Circulating in Marin 

Pertussis, or whooping cough is a vaccine preventable bacterial pneumonia that can cause life-threating illness in infants. In children and adults, the most common symptom is a persistent cough. In 2024, 19 pertussis cases have been reported to Marin Public Health. Some of these cases have been related to school-based transmission. Children with persistent cough should be evaluated for pertussis by their pediatrician. Youth get their final pertussis vaccine in 7th grade as a school requirement. Pertussis vaccine is recommended for pregnant women and any adult in close contact with infants and is available through your healthcare provider. 

Syphilis Resurgence 

Sexually Transmitted Infections (STIs) are on the rise nationally and in Marin. A national shortage of syphilis medications has led to prioritizing treatment for pregnant patients, to prevent congenital syphilis. Marin County has adequate treatment supplies and reminds anyone who is pregnant to engage in prenatal care, including syphilis testing, as early as possible in pregnancy. For those without a regular medical provider, Marin Community Clinics and Planned Parenthood offer easy access. Learn more about STIs on the CDC’s webpage.  

COVID-19 Data Update

Below is a snapshot of local COVID-19 data. Find a more in-depth analysis of COVID-19 trends on the Marin Data & Surveillance webpage, our Data FAQ, or Marin County's Open Data Portal.

Actively Circulating Variants JN.1


Marin County COVID-19 Hospitalizations  Today’s Report

New Admissions Over the Past Week 


Hospitalized Patients 


ICU Patients



Settings Experiencing Outbreaks Today’s Report

Long-Term Care and Congregate Living Facilities


Schools and Childcare



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