admission into the united states unless the importer shows they are not contaminated with salmonella. during august , cdc investigated a multistate outbreak of salmonella worthington infections reported from states. ill persons were reported from similar states and during the same time period as seen in...
isolates of salmonella typhimurium with dna patterns matching the outbreak strain. in pulsenet , the national network of public health and food regulatory agency laboratories coordinated by cdc, dna is analyzed from bacteria obtained through diagnostic testing of ill people. in , samples taken from...