Public Health

The mission of the Butte County Public Health Department (BCPHD) is to protect the public through promoting individual, community, and environmental health. 

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As the Public Health Department, it is our goal to protect the health of the community through prevention, early diagnosis and appropriate management and control of communicable diseases and conditions. This is achieved through surveillance, disease investigation, patient education, community awareness and acting as a resource to local physicians, nurses and medical personnel. The health department works strategically to prevent and respond to disease trends and outbreaks We strive to provide timely and accurate information to the community and healthcare providers on emerging conditions.

Monkeypox (MPX) in Butte County

On July 18, 2022, Butte County Public Health (BCPH) received lab notification of the first probable case of MPX in a Butte County resident. While the current risk to the general public remains low, BCPH encourages residents to be aware of the signs and symptoms of the virus.

MPX is a rare viral infection, related to smallpox. Most cases of  MPX resolve on their own and rarely require hospitalization. To date, no deaths in the United States have occurred due to the virus.

MPX Case Data (click to view)

To view the number of reported probable and confirmed MPX cases in Butte County, see data from the California Department of Public Health (CDPH).

How does MPX spread?

Anyone can get MPX. MPX is primarily spread through close skin-to-skin contact with someone who has MPX, including (but, may not be limited to):

  • Hugging
  • Cuddling
  • Massage
  • Kissing
  • Intimate/sexual contact

MPX can also be spread by:

Sharing materials used by a person who has MPX, including: sheets, towels and clothing. Respiratory secretions during prolonged (3 hours+), face-to-face contact from talking, coughing, sneezing or breathing. This method of transmission is much less common and typically occurs when living with or caring for someone who has MPX.

Know the signs and symptoms:

Most people develop flu-like symptoms, including: fever, headache, muscle aches and swollen lymph nodes. Within 1 to 3 days (sometimes longer), infected persons can develop a rash that can look like pimples. These may appear anywhere on the body, including the genitals or they may be limited to one part of the body. The illness can spread from the time symptoms start until the rash has fully healed and a fresh layer of skin has formed, which can take 2−4 weeks.

How to protect yourself:

  • Talk to close physical contacts about their general health, including recent rashes or sores
  • Avoid close, skin-to-skin contact with people who have a rash that looks like MPX
  • Don’t share or handle bedding, linens or clothing of a person with MPX
  • Wash hands often

If you have symptoms or have been exposed:

  • Stay home, wear a mask around others and cover sores/rash
  • Avoid skin-to-skin contact with others
  • Inform any close contacts about your symptoms
  • Wash hands often
  • Contact your healthcare provider immediately by phone and let them know about your symptoms and/or exposure

MPX vaccine:

BCPH received the county’s first allocation of the vaccine on July 14, 2022. The vaccine supply is currently limited. Therefore, BCPH will work closely with local healthcare providers to identify persons who may be high risk and will identify close contacts of confirmed cases to determine their vaccine eligibility.

Additional Information about MPX:

Visit the Butte County COVID-19 Info Page

Find frequently asked questions, including information about the COVID-19 vaccine, testing locations, and what to do if you've been exposed or tested positive for the virus. You may view the Butte County Public Health COVID-19 Dashboard HERE.

Visit the West Nile Virus Information Page

Learn about West Nile Virus, how to prevent mosquitoes and mosquito bites, what to do if you find a dead bird and how the Butte County Mosquito and Vector Control District works to survey and monitor mosquitoes throughout the county.

Zika Virus:
Mosquitos capable of transmitting zika have been identified in Butte County.

Risk of zika transmission remains low for Butte County, residents encouraged to take steps to prevent mosquito bites.

Zika virus information in Spanish: El virus del Zika

What we know:

Zika is spread mostly by the bite of an infected Aedes species mosquito. These mosquitoes are very aggressive daytime biters. They can also bite at night.  So far in California, Zika virus infections have been documented only in people who were infected while traveling to areas with ongoing Zika transmission, through sexual contact with an infected traveler, or through maternal-fetal transmission during pregnancy. The mosquitos that can carry Zika have been detected in multiple areas of Butte County. Residents are encouraged to take extra precautions to prevent mosquito bites

Zika and Pregnancy:

The Zika virus is most dangerous for pregnant women or women trying to become pregnant. Zika virus can be passed from a pregnant women to her baby and infection during pregnancy can cause a serious birth defect of the brain called microcephaly. Pregnant women who think they may have been exposed to Zika virus either during travel or through a sex partner should contact their physician for evaluation. Women who have symptoms and are not pregnant, should wait eight weeks after symptoms are gone to attempt becoming pregnant. The CDC recommends women who are pregnant should not travel to areas with Zika.


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Butte County Communicable Disease
Phone: 530.552.3929

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Butte County Communicable Disease
202 Mira Loma Drive
Oroville, CA 95965

Office Hours
Monday to Friday
8:00 a.m. to 5:00 p.m.
Except Holidays

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Public Health Department

202 Mira Loma Drive
Oroville, CA 95965

Report a Health Emergency
24-Hour Line: 530.552.4000

Danette York, MPH, Director
Dr. David Canton, Health Officer

Public Health Leadership Team