Provisional — subject to revision
Kaiser Permanente Santa Clara Medical Center, Santa Clara, CA
Legionnaires’ disease outbreak · 2026 · California
- 18
- Cases
- 0
- Deaths
- Under Investigation
- Status
Suspected source
Hospital water system; exact source not yet identified (Hospital water system)
What happened
At least 18 Legionella infections were linked to Kaiser Permanente Santa Clara Medical Center in Santa Clara, CA as of mid-2026; the exact source had not been publicly identified.
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Primary source: Hospital water system; exact source not yet identified. Figures are provisional and may be revised or withdrawn by the reporting authority. This page is for information only and is not medical or legal advice.
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