S.F. ramps up TB testing after finding 50 latent cases tied to Riordan
- Posted on January 31, 2026
- By San Francisco Chronicle
- 8 Views
S.F. ramps up TB testing after finding 50 latent cases tied to Riordan
San Francisco officials say a TB outbreak at a private high school has led to three active cases and more than 50 latent infections.
