The switch to new conjugated vaccines may compromise immunisation coverage for refugees.
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Adult↗
Biomedical subjects
Mahomed Patel
Publications and source records attributed to Mahomed Patel.
Intussusception in the Northern Territory: the incidence is low in Aboriginal and Torres Strait Islander children.
AIM: To describe the epidemiology, immunisation status and management of children with intussusception in the Northern Territory (NT), 1993-2003. METHODS: Intussusception data were obtained from all NT hospitals using the International Classification of Diseases (ICD 9/10) codes for children under 18 years of age between 1993 and 2003. Medical records of these children were used to collect information on demographics, admission date, clinical symptoms, signs and management. Immunisation data were obtained from the NT immunisation register. The NT mortality database was reviewed for deaths from intussusception in children between 1993 and 2003. One death in an Aboriginal and Torres Strait Islander child was found in the NT mortality database. Medical records for this child were destroyed and so the case definition for intussusception used in this study was not fulfilled and the child was excluded. RESULTS: Intussusception proven by radiological or surgical means was identified in 23 children from hospital records. The incidence for children with intussusception in NT is 0.65/1000 live births. The incidence of intussusception was lower in Aboriginal and Torres Strait Islander children (0.16/1000 live births) than in non-Aboriginal and Torres Strait Islander children (0.92/1000 live births) (P < 0.01). CONCLUSION: The incidence of intussusception in the NT is similar to other developed countries but Aboriginal and Torres Strait Islander children have a very low incidence of intussusception. Intussusception is a rare event in the NT and will require a sensitive surveillance system to detect any potential increased risk of intussusception after the introduction of a new rotavirus vaccine.
Australia↗
Rumor surveillance and avian influenza H5N1.
We describe the enhanced rumor surveillance during the avian influenza H5N1 outbreak in 2004. The World Health Organization's Western Pacific Regional Office identified 40 rumors; 9 were verified to be true. Rumor surveillance informed immediate public health action and prevented unnecessary and costly responses.
Communication↗
Border screening for SARS in Australia: what has been learnt?
OBJECTIVE: To assess the effectiveness of the Australian border entry screening program to detect arriving travellers with symptoms of severe acute respiratory syndrome (SARS). DESIGN AND SETTING: Descriptive study of outcomes of screening at Australian airports and seaports between 5 April 2003 and 16 June 2003. To determine the number of international travellers who were symptomatic on arrival in Australia but missed by screening, data were obtained on the number of arrivals screened and the number with symptoms (from the Australian Quarantine and Inspection Service [AQIS]), as well as the number of people investigated for SARS (from the Australian SARS Case Register). RESULTS: There were 1.84 million arrivals into Australia during the study period, and 794 were referred for screening to AQIS staff. Of these, the findings in four travellers were consistent with the World Health Organization case definition for SARS, and they were referred by the Chief Quarantine Officers to designated hospitals for further investigation. None of these people was confirmed to have SARS. One person reported as a probable SARS case acknowledged being symptomatic on arrival, but had been missed by border screening. CONCLUSIONS: The low identification rate was attributed to the low prevalence of SARS, the use of exit screening by affected countries, and the subjective measures used in the screening process. With current knowledge about SARS, border screening should focus on educating incoming travellers, especially groups at high risk of transmitting the disease (the elderly and those with underlying chronic illnesses). Objective screening measures should be used during SARS outbreaks to prevent importation of the disease.
Australia↗