Tuberculosis hits 12-year high in Calif. as outbreaks increase nationwide
Briefly

Tuberculosis hits 12-year high in Calif. as outbreaks increase nationwide
"The CDC identified that 79% of people affected by large outbreaks between 2017 and 2023 were born domestically, highlighting a shift in the demographics of TB cases."
"California's tuberculosis rate was 5.4 per 100,000 last year, significantly higher than the national average of three per 100,000, indicating a serious public health concern."
"Dr. Monica Gandhi emphasized that TB remains a risk in wealthy countries, pointing out that homelessness, substance use, incarceration history, and malnutrition are key risk factors."
California is experiencing a significant rise in tuberculosis (TB) cases, with a 12-year high of 2,150 cases reported in 2025. The CDC noted a national increase in large TB outbreaks, with 50 reported between 2017 and 2023. Most individuals affected by these outbreaks were born in the U.S. and often had substance abuse issues. California's TB rate stands at 5.4 per 100,000, compared to the national average of three per 100,000. The disease poses serious risks, particularly for those with compromised immune systems, with a 13% mortality rate reported in 2023.
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