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Gastrointestinal & Zoonoses

Salmonella

Epidemiology

Guidance -

Public Health England has produced the following guidance:

Transmission occurs by the ingestion of contaminated food (most commonly red meat, poultry, raw eggs and dairy products) or by faecal contamination from an infected person or animal. Salmonella is a ubiquitous bacterium of which more than 2000 serotypes have been identified. However, most disease is caused by two serotypes, S. Enteritidis and S.Typhimurium. Animal reservoirs include wild and domestic animals, birds and exotic pets such as lizards and amphibians. The majority of cases are sporadic although outbreaks do occur in the general population and in institutions.

Main clinical features

Nausea, vomiting, diarrhoea and abdominal pain and is usually self-limiting.

Incubation period

12 - 72 hours.

Surveillance

Laboratory reports to HPS from the Scottish Salmonella, Shigella and Clostridium difficile Reference Laboratory (SSSCdRL). Isolates from routine diagnostic clinical and veterinary laboratories are sent to SSRL for confirmation and typing. Isolates are reported by serotype.

Surveillance Tables