One technician conducting research on Ebola may have been exposed to the virus at the Atlanta-based Centers for Disease Control and Prevention, officials said Wednesday.

The technician was potentially exposed Monday after a sample containing the virus was mistakenly put in a place where it was transferred to another CDC lab for processing, said CDC spokesman Tom Skinner.

The technician currently has no symptoms and will be monitored for 21 days, which is the incubation period for the virus. About a dozen others who entered the high-security lab were also assessed for possible exposure, and officials told The Atlanta Journal-Constitution the workers were not exposed.

Officials say the potential exposure was limited to the CDC lab, and there was no risk or exposure to the public.

The event, which was discovered Tuesday and reported to leadership within an hour, remains under investigation by the CDC.

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Senate Majority Leader John Thune, R-S.D. (center) is flanked by GOP whip Sen. John Barrasso, R-Wyo. (left) and Finance Committee Chairman Mike Crapo, R-Idaho, as Thune speak to reporters at the Capitol in Washington on Tuesday, July 1, 2025. Earlier Tuesday, the Senate passed the budget reconciliation package of President Donald Trump's signature bill of big tax breaks and spending cuts. (J. Scott Applewhite/AP)

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