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The Boston Globe

Metro

Ambulance security tightened after potential drug tampering

Boston health officials said Monday that security measures have been tightened aboard the city’s ­ambulances following the discovery of drug tampering, allegedly by a Boston Emergency Medical Services paramedic.

The tampering with vials of pain medications and sedatives, discovered Sept. 6, 2011, may have ­exposed as many as 64 patients to blood-borne infections when they were treated during summer 2011, officials said.

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