Parasite completes all stages in one host, transmitted through infected muscle tissue. Larvae penetrate small intestine, mature in 30-34 hours, and produce new larvae. New larvae migrate to striated muscle, form cysts, and become infective. Complete development takes 17-21 days. Adult worms produce larvae for several weeks before expulsion
Jif was acquired by J.M. Smucker from P&G in 2001. P&G bought Big Top peanut butter in 1955. Became largest US peanut butter brand from 1981 to 2008
Campylobacter jejuni is a common pathogenic bacteria found in poultry and animal feces. It is a helical, non-spore-forming, Gram-negative microaerophilic bacterium. First discovered in human small intestines in 1970s
Gram-negative rod-shaped bacterium belonging to Yersiniaceae family. Motile at 22-29°C, nonmotile at normal body temperature. Classified into six biogroups and over 57 O serogroups. Most environmental isolates are avirulent, some pathogenic
Vibrio is a Gram-negative bacteria with curved-rod shape. Highly salt tolerant and found in various salt water environments. All members are motile with polar or lateral flagella. Contains two chromosomes, unusual for bacteria
Salmonella affects intestinal tract and is shed through stool. Most infections occur through contaminated food or water. Incubation period ranges from 6 hours to 6 days. Symptoms appear 8-72 hours after exposure