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Table 1 Final case definitions used throughout the outbreak of S. Saintpaul at a childcare facility in Ayrshire, December 2017

From: An outbreak of Salmonella Saintpaul in a Scottish childcare facility: the influence of parental under-reporting

Case Definitions

Possible case

Symptoms consistent with salmonellosis (nausea, vomiting, diarrhoea and/or abdominal pain) with date of onset from 23rd November to 22nd December and regular attendance at childcare facility in question without clear link to confirmed case.

Probable case

Symptoms consistent with salmonellosis (nausea, vomiting, diarrhoea and/or abdominal pain) with date of onset from 23rd November to 22nd December and regular attendance at childcare facility in question with clear link to confirmed case e.g. known to have attended on same day/in same room of facility;

OR

Symptoms consistent with salmonellosis (nausea, vomiting, diarrhoea and/or abdominal pain) with date of onset from 23rd November to 22nd December in household contact of probable or confirmed case.

Confirmed case

Laboratory-confirmed Salmonella infection with date of onset from 23rd November to 22nd December and regular attendance at childcare facility in question;

OR

Laboratory-confirmed Salmonella infection with date of onset from 23rd November to 22nd December in household contact of probable or confirmed case.