Criteria for excluding (restricting) people from work, school or an early childhood service:

Group 1 - food or product handlers (including visitors or contractors who could potentially affect food safety)

Group 2 - staff of health care or early childhood facilities

Group 3 - children under the age of 5 years attending early childhood services

Group 4 - other adults or children at higher risk due to illness or disability

Each reported case in these groups needs to be assessed as to their current and ongoing risk of transmission to others. While the below criteria are based on standard criteria at the time of writing, public health assessment and action should be based on the most up-to-date evidence and best practice. Therefore, there may be instances where the criteria are varied on a case-by-case basis according to the professional judgement of the local medical officer of health.

The medical officer of health can also consider whether it is necessary to use exclusion provisions in the Health (Infectious and Notifiable Diseases) Regulations 1966, and from early childhood centres using the Education (Early Childhood Centres) Regulations 1998. Note that while there are provisions that apply to early childhood service workers, there are no provisions for health care workers – instead, advice should be provided to employers under the Health and Safety in Employment Act 1992.

 

Exclusion and clearance criteria for gastrointestinal infections

DiseaseGroup(s)Exclusion from work or early childhood centre advised until symptom free for:Exclusion for close contacts (usually household)
Campylobacter1, 2, 3, 448 hoursNot required
Cryptosporidium1, 2, 3, 448 hours (avoid swimming until 14 days with no symptoms)Not required
Giardia1, 2, 3, 448 hoursNot required
Yersinia1, 2, 3, 448 hoursNot required
Rotavirus1, 2, 3, 448 hoursNot required
Norovirus1, 2, 3, 448 hoursNot required
Gastroenteritis (unknown organism)1, 2, 3, 448 hours (During cryptosporidium outbreaks use exclusion advice above)Not required
Salmonella148 hours and until two consecutive negative stools have been provided at least 48 hours apartFor contacts also in group 1: exclude until one negative faecal specimen has been provided
2,3,448 hours
Shigella1, 2, 3, 448 hours and until two consecutive negative stools have been provided at least 48 hours apartFor contacts in groups 1,2,3 or 4: exclude until one negative faecal specimen has been provided
Typhi and paratyphi1, 2, 3, 448 hours and until two consecutive negative stools have been provided at least 48 hours apart after completing appropriate antibiotics. If not treated with effective antibiotics then no earlier than 1 month after onset of symptomsAll household, close and travel contacts and other contacts in groups 1,2,3 or 4 are in some cases required to provide one negative faecal sample
School childrenUntil the above clearance criteria are satisfied or as discussed with the medical officer of health
VTEC/STEC1, 2, 3, 448 hours and until two consecutive negative stools have been provided at least 48 hours apartFor contacts in groups 1,2,3 or 4: exclude until one negative faecal specimen has been provided
Last updated 27 July 2017.