Overview
- San Francisco’s health department confirmed three active tuberculosis cases linked to Archbishop Riordan High School since November.
- School leaders canceled Friday classes and paused in‑person instruction next week to transition to a hybrid model running Feb. 9 through Feb. 20.
- All students and staff must complete TB testing by Feb. 20 to return to campus, with negative results required for participation in indoor off‑campus activities.
- Officials are conducting school‑wide testing and contact tracing, with recommendations for indoor masking, symptom monitoring, and changes to certain indoor activities.
- Authorities have not said whether the infected individuals are students or staff, and experts emphasize that both active and latent TB are treatable with antibiotics.