Campylobacter is one of the most common causes of human bacterial gastroenteritis. For instance, an estimated 2 million cases of Campylobacter enteritis occur annually in the U.S., accounting for 5–7% of cases of gastroenteritis. Furthermore, in the United Kingdom during 2000, Campylobacter jejuni was involved in 77.3% in all cases of laboratory confirmed foodborne illness. About 15 of every 100,000 people are diagnosed with<unk>  every year, and with many cases going unreported, up to 0.5% of the general population may unknowingly harbor Campylobacter in their gut. Unfortunately, the true incidence of<unk>  is unknown in most countries, especially developing countries. The reasons are among others underreporting, difficulties with diagnosis and differences in reporting systems in different countries. A large animal reservoir is present as well, with up to 100% of poultry, including chickens, turkeys, and waterfowl, having asymptomatic infections in their intestinal tracts. Infected chicken feces may contain up to 109 bacteria per 25 grams, and due to the animals' close proximity, the bacteria are rapidly spread to other chickens. This vastly exceeds the infectious dose of 1000–10,000 bacteria for humans. In January 2013, the UK's Food Standards Agency warned that two-thirds of all raw chicken bought from UK shops was contaminated with campylobacter, affecting an estimated half a million people annually and killing approximately 100.
Campylobacteriosis
Cytomegalovirus colitis
Rotaviral gastroenteritis
Shigellosis
Antibiotic-associated diarrhea
Staphylococcal enteritis
Travelers' diarrhea
Eosinophilic gastroenteritis