Santa Clara County sheriffs are dealing with a spike in fentanyl overdoses at the Elmwood Correctional Facility in Milpitas.
The problem has been so bad in the last week, it has sent more than a dozen inmates and a handful of guards who were treating them, to the hospital.
Doctors say all are expected to make a full recovery.
Searches and welfare checks have been stepped up since the first cases were reported.
Get a weekly recap of the latest San Francisco Bay Area housing news. Sign up for NBC Bay Area’s Housing Deconstructed newsletter.
