Malaria in Sydney, Australia: Lessons learned from case management

Kelly A Thompson1, Ben J Marais1, Alison Kesson1

  • 1The Children's Hospital at Westmead and the Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.

Insights

Malaria in Australian children often presents with non-specific symptoms, and a quarter may be asymptomatic. Diagnostic vigilance is crucial for children with potential malaria exposure, especially recent migrants.

Area of Science:

  • Pediatric infectious diseases
  • Tropical medicine
  • Clinical diagnostics

Background:

  • Malaria remains a significant global health concern, posing diagnostic challenges in non-endemic settings.
  • Early and accurate diagnosis is critical for effective treatment and preventing severe outcomes in children.

Purpose of the Study:

  • To characterize the clinical presentation and epidemiological profile of pediatric malaria cases diagnosed in Australia.
  • To inform diagnostic strategies and clinical awareness for malaria in children.

Main Methods:

  • Retrospective review of medical records for children diagnosed with malaria.
  • Data collected from The Children's Hospital Westmead between 2000 and 2010.

Main Results:

  • Forty pediatric malaria cases were identified over 11 years.
  • Fever was present in 75% of cases, but 20% were asymptomatic.
  • Common Plasmodium species included P. falciparum (68%); P. vivax was also identified.
  • Median diagnosis time was 32 days post-arrival for refugees and immigrants.

Conclusions:

  • Malaria symptoms in children are often non-specific, necessitating high clinical suspicion.
  • Diagnostic vigilance is essential for children with any potential malaria exposure history.
  • Asymptomatic parasitemia should be considered in recent migrants from endemic regions.
Abstract