health
February 4, 2026
California school closes over tuberculosis outbreak
A prominent California high school suspended in-person classes after facing over 50 tuberculosis cases.
TL;DR
- Archbishop Riordan High School suspended in-person classes due to over 50 TB cases.
- The outbreak was first reported in November.
- Over 50 latent TB infections and three active cases have been identified.
- In-person classes are suspended until at least February 9th, with a hybrid model until February 20th.
- California's TB incidence rate is almost double the national rate.
- Latent TB is not initially contagious but can become active.
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