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EpiReview: Typhoid fever, NSW, 2005-2011
Praveena Gunaratnam1, Sean Tobin, Holly Seale
1NSW Public Health Officer Training Program, NSW Ministry of Health.
New South Wales Public Health Bulletin
|November 8, 2013
Summary
Typhoid fever remains a concern in New South Wales, primarily affecting travelers to South Asia. Prevention strategies should target high-risk groups, especially those visiting friends and relatives.
Area of Science:
- Public Health
- Epidemiology
- Infectious Diseases
Background:
- Typhoid fever is a preventable infectious disease.
- Understanding incidence trends is crucial for effective public health interventions.
Purpose of the Study:
- To analyze typhoid fever incidence trends in New South Wales (NSW) from 2005 to 2011.
- To inform the development of targeted prevention strategies for typhoid fever.
Main Methods:
- Utilized NSW Notifiable Conditions Information Management System data (2005-2011).
- Calculated population incidence rates and analyzed by demographic variables.
Main Results:
- 250 typhoid fever cases reported in NSW (2005-2011), with 240 likely acquired overseas.
- Highest incidence in Western Sydney Local Health District (10.9 per 100,000).
- Two-thirds of cases likely acquired in South Asia, often during travel to visit friends and relatives (VFR).
- 79.6% of cases required hospitalization.
- Only 7% of cases reported prior typhoid vaccination.
Conclusions:
- Typhoid fever rates are low but persistent in NSW, mainly in VFR travelers to South Asia.
- Preventable infection highlights the need for improved preventive measures.
- Further research into barriers to vaccination and preventive measures is recommended for high-risk groups, including South Asian communities in NSW.
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