| laboratory-acquired vaccinia virus infection in a recently immunized person--massachusetts, 2013. | on november 26, 2013, the cdc poxvirus laboratory was notified by the boston public health commission (bphc) of an inadvertent inoculation of a recently vaccinated (acam2000 smallpox vaccine) laboratory worker with wild type vaccinia virus (vacv) western reserve. a joint investigation by cdc and bphc confirmed orthopoxvirus infection in the worker, who had reported a needle stick in his thumb while inoculating a mouse with vacv. he experienced a non-tender, red rash on his arm, diagnosed at a lo ... | 2015 | 25928468 |