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Valley Fever Alert- Tijuana, Mexico

Updated on 3 May 2019

The Situation:

An outbreak of the Coccidioidomycosis fungal disease, known as Valley Fever, has been traced to a renovation project in Tijuana, Mexico, reported the Centers for Disease Control and Prevention (CDC). Valley Fever has been considered endemic in Tijuana.

Valley fever is a fungal disease acquired primarily through inhaling airborne spores in dust or soil. Approximately 40 percent of persons develop influenza-like symptoms 1–3 weeks after exposure. Approximately 5‒10 percent of persons develop serious pulmonary problems.

Currently, there is no vaccine for Valley Fever.

At-risk populations:

  • Adults age 60 and over

  • People who have weakened immune systems:

  • Have HIV/AIDS1

  • Have had an organ transplant

  • Are taking medications such as corticosteroids or TNF-inhibitors

  • Pregnant women

  • People who have diabetes

  • People who are Black or Filipino


  • Fatigue

  • Cough

  • Chest pain

  • Fever

  • Shortness of breath

  • Headache

  • Night sweats and chills

  • Muscle aches or joint pain

  • Red, spotty rash on upper body or legs

*The CDC recommends contacting your physician if symptoms last a week or more.

Preventative Measures:

  • Avoid areas with a lot of dust like construction or excavation sites. If you can’t avoid these areas, wear an N95 respirator (a type of face mask) while you’re there.

  • Stay inside during dust storms and close your windows.

  • Avoid activities that involve close contact to dirt or dust, including yard work, gardening, and digging.

  • Use air filtration measures indoors.

  • Clean skin injuries well with soap and water to reduce the chances of developing a skin infection, especially if the wound was exposed to dirt or dust.

  • Take preventive antifungal medication if your healthcare provider says you need it.

DISCLAIMER and Hold Harmless

Disclaimer: LSDS gathers information from multiple sources and offers insight and perspective to travelers. Sources cannot be validated for accuracy in every instance. Travelers assume all risk associated with their travel and are responsible for the decisions associated with travel and for their own safety. Users of this reference document agree, to hold harmless LSDS (LLC) its employees and clients associated with any risk or injury incurred during travel.


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