COMMUNICABLE DISEASE 
CONTROL BRANCH
- Attention all doctors - 
Date: 25/10/2016     Contact telephone number: 1300 232 272  (24 hours/7 days)

 

Measles in Gawler

SA Health has been notified of a confirmed case of measles in a 42 year old male from metropolitan Adelaide. The case is locally acquired, likely in the Gawler area. The case was in the settings listed below whilst infectious:

  • Hy-Drive Engineering, 59 Wingfield Rd, Wingfield, from 07:00 until 15:30 on Monday 17 October, and from 07:00 until 11:30 on Tuesday 18 October.
  • Hyde and Partners Medical Centre, 6 Adelaide Rd, Gawler, from 15:30 until 16:45 on Tuesday 18 October, and 15:30 until 16:30 on Thursday 20 October.
  • Gawler Health Service, from 10:30 until 13:00 on Saturday 22 October, and 08:00 until 11:00 on Sunday 23 October.

Measles is transmitted via respiratory aerosols that remain a risk to others for up to 30 minutes after the person has left the area. The incubation period is about 10 days (range 7 to 18 days) to the onset of prodromal symptoms and about 14 days to rash appearance. The illness is characterised by cough, coryza, conjunctivitis, a descending morbilliform rash, and fever present at the time of rash onset. The infectious period is from 4 days before to 4 days after the appearance of the rash.

Doctors with patients suspected of having measles are asked to:

  • Notify urgently any patient with suspected measles to the CDCB on 1300 232 272 (24 hours/7 days). Do not wait for laboratory confirmation.
  • Arrange urgent laboratory testing through SA Pathology. Doctors can take throat swabs in viral transport medium for ‘measles PCR’ (preferred specimen) and urine for ‘measles PCR’ (yellow top container) at their practice.
  • Isolate suspected and confirmed measles cases and exclude from child-care/ school/ workplace for at least 4 days after rash appearance.
  • Ensure all household and other contacts are protected against measles as indicated in the Australian Immunisation Handbook. http://www.immunise.health.gov.au/internet/immunise/publishing.nsf/Content/Handbook10-home
  • Minimise transmission of measles:
    • Examine patients suspected of having measles in their own homes wherever possible.
    • Ensure the patient is only seen by practice staff who have confirmed immunity to measles (documented history of 2 measles-containing vaccines OR measles IgG positive serology).
    • Ensure suspected cases do not use the waiting room, and conduct the consultation in a room that can be left vacant for at least 30 minutes afterwards.
    • Treat all people who attend the rooms within 30 minutes of the infectious patient as contacts.

Measles vaccination

  • Two doses of a measles containing vaccine are highly effective at preventing measles. Offer measles vaccine (unless contraindicated, for example in pregnant women or immunosuppression) to all potentially susceptible persons who attend your practice.
  • Measles vaccine should be considered in susceptible persons prior to overseas travel.

Further clinical information is available at www.sahealth.sa.gov.au/InfectiousDiseaseControl and recent public health alerts are available at www.sahealth.sa.gov.au/HealthAlerts

Dr Ann Koehler - Director, Communicable Disease Control Branch
For all enquiries please contact the CDCB on 1300 232 272 (24 hours / 7 days)
Public – I3-A2

Download the official health alert here (PDF)
 

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