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==Introduction==
==Introduction==
''Campylobacter jejuni'' belongs to the genus [[Campylobacter species - Overview|''Campylobacter'']]. ''C.jejuni'' is an important enteropathogen of man and a number of animal species. It is the largest cause of food-poisoning in the UK and is therefore a public health issue.It also causes late abortion and still births in sheep and goats, and may also cause mastitis in cattle. It is widespread on farms and is hyperendemic. It can be carried as commensals in the intestines of cattle, sheep, goats, dogs, cats, rabbits, wild birds and especially chickens. Farm animals are regularly exposed via the faecal-oral route. Maternal antibody protects the animal while the active immunity develops. Animals with little exposure are very susceptible, e.g. humans and pets. Most chicken carcasses are contaminated, leading to food poisoning and enterocolitis in people from uncooked meat. If frozen chicken is inadequately thawed, bacteria may remain viable in the abdominal cavity.
''Campylobacter jejuni'' belongs to the genus [[Campylobacter species - Overview|''Campylobacter'']]. ''C.jejuni'' is an '''important enteropathogen of man and a number of animal species'''. It is the '''largest cause of food-poisoning in the UK''' and is therefore a public health issue. It also causes late abortion and still births in sheep and goats, and may also cause mastitis in cattle. It is widespread on farms and is hyperendemic. It can be carried as commensals in the intestines of cattle, sheep, goats, dogs, cats, rabbits, wild birds and especially chickens. Farm animals are regularly exposed via the faecal-oral route. Maternal antibody protects the animal while the active immunity develops. Animals with little exposure are very susceptible, e.g. humans and pets. Most chicken carcasses are contaminated, leading to food poisoning and enterocolitis in people from uncooked meat. If frozen chicken is inadequately thawed, bacteria may remain viable in the abdominal cavity.
==Pathogenesis==
==Pathogenesis==
It is implicated in [[Calf Diarrhoea, Undifferentiated Neonatal|undifferentiated neonatal calf diarrhoea]], a mixed viral enteritis in calves.
It is implicated in [[Calf Diarrhoea, Undifferentiated Neonatal|undifferentiated neonatal calf diarrhoea]], a mixed viral enteritis in calves.
''C.jejuni'' is diagnosed by laboratory diagnosis.
''C.jejuni'' is diagnosed by laboratory diagnosis.
==Literature Search==
==Literature Search==