US-MA-Boston Herald-Officials find 16 listeria samples at milk processing plant

Listeria has been found in 16 of more than 100 tests done at a Shrewsbury milk processing plant that was identified as the source of a deadly outbreak of the bacteria.

Public health officials say one environmental swab, one skim milk sample and seven flavored milk samples tested positive for the same strain of listeria found in four of the five cases linked to this outbreak. Seven samples tested positive for a different strain.

Three elderly men have died since last June after drinking bacteria-contaminated milk from the plant….more…