contamination of eggs with bacteria, medical concept for transmission of food infections through eggs

bacillus bacteria bacterial biology causes causing cell chicken closeup concept conceptual contamination disease egg enteric enteritidis enterobacteriaceae epidemic food germs gramnegative hen human illness illustration infection intoxication medicine microbes microbiology microscope microscopic mrsa organism pathogen poisoning rodshaped salmonella salmonellosis science scientific shell sick transmission typhimurium