90-Second Read: San Quentin Rehabilitation Center suspected Hantavirus case in 38-year-old male inmate ruled a false positive, officials say

San Quentin's suspected Hantavirus case involving a 38‑year‑old inmate was ruled out after state testing found a false positive. PREVIOUS STORY: San Quentin investigating possible case of Hantavirus in 38-year-old male inmate CDPH's Viral and Rickettsial Diseases Laboratory conducted PCR testing on a new sample, which was negative for Hantavirus. State health officials noted that the recent Hantavirus outbreak on a cruise ship involved the Andes strain, which is not found in California.

The California Department of Public Health, the California Department of Corrections and Rehabilitation, and Marin County Public Health had been coordinating in the investigation after a commercial laboratory reported a positive antibody test. According to the agencies, false positives are common because antibody tests can sometimes cross-react with other viral infections. After reviewing the individual's clinical information and laboratory results, CDPH determined this was not a Hantavirus case.

Out of caution, the facility where he lived was thoroughly decontaminated, and medical staff conducted additional assessments of incarcerated people and staff, according to the rehabilitation center. MORE: 2 new Hantavirus exposures linked to Bay Area: Here's what to know A CDCR spokesperson said the health and safety of the incarcerated population and staff remain the department's top priority. Additional specialized testing will also be repeated at the Centers for Disease Control and Prevention.