Climate change directly and indirectly contributes to the emergence of vector and water borne infections. Other infectious diseases may be introduced to new geographical areas as a result of globalisation and changing human behaviour. Despite the still low absolute risk, the pathogenicity of some of these infections creates a significant challenge for clinicians. Awareness of changing disease epidemiology helps in timely recognition of such infections. Vaccination guidelines for emerging vaccine-preventable diseases, such as tick-borne encephalitis and leptospirosis, may need to be updated.

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