causative agents of acute intestinal infections

agents bacillus bacteria bacterium biology campylobacter campylobacteriosis causative cell clinic coli colli colony contaminated dirty disease disinfection escherichia hospital hygiene ill illness illustrarions infected infection inflammation intestinal intestine medical medicine micro microbiology microscopic physiology rectal salmonella salmonellosis sanitation science set shigella shigellosis sign symbol unhygienic vector yersinia