expert analyzes stuffed meat contaminated by bacterium of listeria in laboratory, sprout caused in spain

analysis analyzes bacillus background bacteria bacterial bacteriology bacterium biology care caused cell cells contaminated culture danger disease dish electron epidemic experiment expert food germs grampositive hazard health illness infection infectious inspection lab laboratory listeria listeriosis meat medical medicine microbiology microorganism microscopic monocytogenes organism pathogen petri plate research risk safety science scientific sick sickness spain sprout stuffed