Back to today’s briefing

Story perspectives

Bay Area Sees 6% Rise in Valley Fever Cases

10/5/2025

29 5

Summary

Story summary

Valley fever cases are rising in the Bay Area and California, state health officials report.
In 2025, Bay Area cases total 369, up from 348 last year; San Bernardino County has surged 300%.
The soil fungus affects humans and dogs, thrives in dry conditions, peaks after droughts; seek care if symptoms persist beyond a week.

1 of 1

Story summary

Valley fever cases are rising in the Bay Area and California, state health officials report.
In 2025, Bay Area cases total 369, up from 348 last year; San Bernardino County has surged 300%.
The soil fungus affects humans and dogs, thrives in dry conditions, peaks after droughts; seek care if symptoms persist beyond a week.