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    The Valley Fever Center for Excellence is a trusted, educational resource for the public and health care providers.

Two-thirds of all U.S. Valley Fever infections are contracted in Arizona even though nationally, Valley Fever is uncommon and considered an orphan disease. The Arizona Board of Regents established the Valley Fever Center for Excellence at the University of Arizona to improve understanding, medical care, and research about this disease.

Home Page

A new message from the director was posted in October 2022 and you can view it using the link below.

Welcome to the Valley Fever Center for Excellence’s website.  Here we try to provide reliable and timely information about coccidioidomycosis, the medical name for Valley fever.


Does having Valley fever in the past make me more susceptible to contracting COVID-19?

There is no reason to believe that people who have had Valley Fever are at higher risk for contracting COVID-19 as Valley fever does not interfere with or weaken a person’s immune system. (May 2020)

How can you tell Valley fever and COVID-19 apart?

Strictly speaking you cannot. But, there are general patterns that are different and can provide you clues:

  • COVID-19 is an emerging epidemic. The number of confirmed cases is on the rise and based on current projections, it is expected to peak in Arizona in the next couple of weeks. The risk for Valley fever is ever-present with seasonal fluctuations each year. As COVID-19 hopefully declines over the coming months, the number of Valley fever cases are expected to increase into the summer.
  • COVID-19 causes a more acute illness. Chronic COVID-19 illnesses have not been evident.  In contrast, while Valley fever sometimes starts abruptly, it typically continues for weeks to several months before symptoms completely resolve.
  • The primary complication of COVID-19 is respiratory failure. While Valley fever can result in respiratory failure in rare cases, the infection can also spread to other parts of the body, causing destruction in bones, skin, the brain or elsewhere. (May 2020) 


Valley Fever Awareness Week 2022

Valley Fever Awareness Week will be celebrated from November 12-20th, 2022. This week is dedicated to growing awareness of Cocci by sharing information about how the disease works, how it is spread, and how it can be treated. You can check out our schedule of events for the week HERE.

Impact and Control of Valley Fever Workshop

NASEM Health and Medicine is hosting a workshop about the Impact and Control of Valley Fever on November 17-18, 2022 in Irvine, CA. You can learn more about the topics of discussion and registration HERE.

Valley Fever Collaborative Page Now Live

You can now visit our new Valley Fever Collaborative page for info about what this group is doing across Arizona to combat the spread of Valley fever. If you are interested in joining the VFC, please fill out the application form.