General Health
American Cancer Society: information on its global programmes.
British National Formulary (BNF): provides information about medicines for UK healthcare professionals including UK guidelines on malaria prevention.
Health Central: beyond travel medicine but a useful resource while travelling; contains topical health advice, forum and symptom checker.
Merck: a company that develops health products and therapies - search the Merck Manuals for detailed information on medical conditions and their treatment.
Net Doctor: beyond travel medicine but a useful resource while travelling; contains medical advice and an A to Z of medical conditions.
NHS Direct: beyond travel medicine but a useful resource while travelling; obtain medical advice or use the sytmpton checker.
NHS Evidence (formerly National Library for Health): contains health information resources.
Virtual Naval Hospital: a digital library of military, naval, humanitarian and disaster medicine.