May 30, 2024 (San Diego) -- The County’s Tuberculosis Program has two unrelated recent cases of potential tuberculosis (TB) exposure. They are working to notify riders who used the Trolley Blue Line between Jan. 27, 2024 and Feb. 29, 2024, that they were potentially exposed to and are at risk for TB. They are also working closely with San Diego College of Continuing Education to notify those who were potentially exposed to TB.
The chance of TB infection is highest for people with many hours of cumulative indoor exposure to a person who is sick with TB. Brief interactions with an ill rider are less likely to lead to TB infection than are prolonged or repeated exposures. However, the risk from more limited exposures may be of particular concern to riders with compromised immune systems, from medical conditions such as HIV or from medications that weaken the immune system, such as those taken by people with autoimmune conditions or who have received transplants.
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