Public Health

The Mono County Health Department provides environmental and public health services that support the health and safety of Mono County residents and visitors.

Please click on one of our programs to the left for more information, and some highlights are listed below.

If you are interested in receiving important health information such as MonoGrams, flu clinic schedules and community events, please sign up for Public Health Updates on the left side of this page and find us on Facebook!

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Mono County Reports Second Fatality Due to Hantavirus

MONO COUNTY, Calif. (March 26, 2025) – Mono County Public Health has confirmed a second death related to Hantavirus in the Town of Mammoth Lakes. Hantavirus is a serious and often fatal illness spread primarily through contact with infected deer mouse droppings, urine, or saliva. Deer mice are widespread in the Eastern Sierra region. 

Hantavirus is endemic to Mono County and the surrounding region, commonly found in local deer mice. Human infection occurs through exposure to contaminated rodent droppings, urine, or saliva, typically when these materials become airborne and are inhaled. Person-to-person transmission does not occur.

For information on Hantavirus prevention, see here: Hantavirus


 

Avian Influenza (H5N1) Update

  • Widespread H5N1 influenza infection in California’s dairy cattle and increasing infections in poultry flocks.
  • Numerous jurisdictions, including Town of Mammoth Lakes, with recent H5N1 detections in wastewater.
  • California recently reported first pediatric case, mild disease in a child in Alameda County (child may not have had any contact with farm animals).
  • H5N1 detected in a single bottle of Raw Farm dairy raw milk (limited product recall).

You Can Prevent Hantavirus
  • Hantavirus is an uncommon, but serious, virus that you can catch if you breathe in air that contains the virus from infected mice. 38% of people infected with the virus die. Mono County has the highest number of Hantavirus cases in California. 
immunization
Where can I receive vaccines in Mono County?

Mammoth Lakes

  • Mono County Health Department (1290 Tavern Rd.)
  • Mammoth Hospital Family Medicine Clinic
  • Mammoth Hospital Pediatric Clinic
  • Vons Pharmacy

Bridgeport

CHNA

Mono County Public Health is happy to announce that we are conducting a 2024 Community Health Needs Assessment and Implementation Plan.  A full report will be created and made available upon the conclusion of the assessment.

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Access and Functional Needs Graphic

This registry website allows residents with access and functional needs an opportunity to provide information to emergency response agencies so those agencies can better serve them in a disaster or other emergencies.

The information collected here will not be available to the public.  It will only be shared with emergency response agencies to improve their ability to serve.

Quit smoking
Tobacco use is the leading cause of preventable disease, disability, and death in the United States.   Remember...Keep Quitting Until You Quit For Good!

For free, confidential support on your quit journey, contact Kick It California.  

Call 1-800-300-8086  
Text “Quit Smoking” or “Quit Vaping” to 66819 
Visit www.kickitca.org 
Download the No Vape or No Butts app on your device from Apple or Google Play.