The most common clinical symptoms of Campylobacter infections include diarrhoea (frequently with blood in the faeces), abdominal pain, fever, headache, nausea, and/or vomiting.

弯曲杆菌感染的最常见临床症状包括腹泻（经常伴有便血）、腹痛、发热、头痛、恶心和/或呕吐。