Skip to main content

Search

Support the Center

Search

Main navigation

Overview VFCE Charter Who We Are VFCE Membership Message from the Center Director Resources Support the Center Valley Fever in the News
Overview About Valley Fever Meet with a Provider Maricopa Cty. VF Data Consider the Diagnosis Order the Right Tests Check for Risk Factors Check for Complications Initiate Management Información en español FAQs Clinical Trials
Overview How Dogs Get Valley Fever Symptoms Diagnosis Treatment Prognosis / Outcome Valley Fever in Cats Valley Fever in Other Animals Research in Valley Fever in Dogs Clinical Trials for Dogs FAQs
Overview Banner Valley Fever Clinical Practice Toolbox Valley Fever Training Manual Clinical Care Webinars Educational Clinical Images
Overview Ongoing Work at the VFCE Cocci Study Group Publications & Presentations Archives

Stephen Albert Johnston

CEO of Calviri

Stephen Johnston

stephen.johnston@calviri.com

Research Interest: Our group is developing a diagnostic test that could be applied to Valley fever.

College of Medicine - Tucson

The University of Arizona is an EEO/AA - M/W/D/V Employer.

We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples. Today, Arizona is home to 22 federally recognized tribes, with Tucson being home to the O’odham and the Yaqui. The University strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.

University Information Security and Privacy

© 2025 The Arizona Board of Regents on behalf of The University of Arizona.