Episode
Travel Health Consultation & Vaccination Updates Professor Nicholas Zwar
- Published
- May 23, 2026
- Duration seconds
- 5340
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Summary
Guest: Professor Nicholas Zwar , Executive Dean of Medicine at Bond University, experienced GP, and Chair of the RACGP Travel Medicine Specific Interest Group. Episode Summary With international travel rebounding to pre-pandemic levels, GPs remain the primary source of travel health advice for 80-90% of prospective travelers. In this episode, Professor Nicholas Zwar provides a comprehensive update on conducting efficient pre-travel consultations, navigating emerging infectious disease risks, and prioritizing immunizations for diverse patient populations. Key Topics Discussed: Structuring the Pre-Travel Consult: Professor Zwar recommends using the "Three Ts" framework to efficiently assess risk: The Traveler: Assessing age, chronic medical conditions, immunocompromise, and current medications (such as gastric acid suppressants which increase susceptibility to food and water-borne diseases). The Trip: Evaluating destination, accommodation style (e.g., air-conditioned vs. screened), and risk activities. The Time: Accounting for seasonal risks, like the wet season increasing mosquito-borne disease exposure. Emerging and Shifting Infectious Risks: Dengue Fever: Incidence is rising globally, and while vaccines are in development or available via special access, they remain challenging to implement due to paradoxical severe infection risks with different serotypes. Japanese Encephalitis (JE): JE has now established itself within Australia's feral pig population via waterbirds. Measles & Polio: Global resurgences of measles and vaccine-derived polio make routine immunization checks critical. Malaria Prophylaxis for Multi-Drug Resistant Regions: For regions with chloroquine resistance, options primarily include atovaquone/proguanil (started 2 days prior, continued for 1 wee…