The San Francisco Department of Public Health announced a sharp increase in the number of documented tuberculosis cases after an outbreak at Archbishop Riordan High School was first reported in January.
The San Francisco Department of Public Health said in a news release that among the 1,261 students and staff at the high school, 219 people, or about 17%, tested positive for TB. Subsequently, 204 of those people had confirmed cases of latent TB.
The number is a major increase from the 50 latent cases detected by the end of January as testing was ramping up among the school’s students and staff. The number of confirmed active cases, reported to be three in January, has not increased. Officials also said three additional suspected active cases have been detected…