Travel health and immunisation advice for Botswana. Advice for All Destinations. The risks to health whilst travelling will vary between individuals and many issues need to be taken into account, e.g. activities abroad, length of stay and general health of the traveller. Travax. TRAVAX® is an interactive website providing up to the minute travel health information for health care professionals.TRAVAX began in 1984 in response to the demand for information…