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Norovirus Gastroenteritis (Gastro)

Transmission: Contact with infected person, food, vomit or stool particles

  • Incubation period: from when the person feels ill until at least 48 hours post vomiting/ diarrhoea
  • Period of communicability: as above
  • Exclusion from school: Exclude for a minimum of 48 hours after symptoms have ceased
  • Contacts: Not excluded.

Influenza (Flu)

Transmission: Airborne or droplet

  • Incubation period: Usually 1 to 4 days
  • Infectious period: Usually 1 day before onset of symptoms until 7 days after
  • Exclusion: Exclude until all symptoms are resolved
  • Treatment: Varies according to symptoms.

Impetigo (School sores)

Transmission: Direct contact with skin lesions

  • Incubation period: Usually 4 to 10 days
  • Infectious period: As long as there is discharge from untreated lesions
  • Exclusion: Exclude for 24 hours after antibiotic treatment commenced. Lesions on exposed skin surfaces should be covered with a waterproof dressing. Young children unable to comply with good hygiene practices should be excluded until the sores are dry
  • Treatment: Antibiotic treatment available from a Doctor.


Transmission: Skin-to-skin contact with an infested person or contact with infested clothing, towels or bedding.

  • Incubation period: 2 to 6 weeks before onset of itching if not previously infested. People who have been previously infested may develop an itch 1 to 4 days after re-exposure
  • Infectious period: Until mites and eggs are destroyed.
  • Exclusion from school: Exclude until the day after treatment has commenced.
  • Contacts: Not excluded. Family contacts should be treated.

Rubella (Notifiable)

Transmission: Airborne or droplet; direct contact with contaminated nose or throat secretions; mother-to-foetus.

  • Incubation period: 14 to 21 days. Usually 17 days.
  • Infectious period: From 7 days before to at least 4 days after the onset of rash
  • Exclusion from school: Exclude for 4 days after onset of rash
  • Contacts: Do not exclude
  • Immunisation: Measles/Mumps/Rubella vaccine from 12 months of age and between 10 and 16

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