Why do people travel? What is it that attracts travellers to visit certain places? Why do people undertake holiday journeys? I think fundamentally, if not consciously, the travelling public is in search of health and recreation. Certainly the travelling public will not visit an area where they know the standard of health services is not what can be expected of a well-conducted local authority. The proof of this was amply demonstrated last year in Durban, where the poliomyelitis threat was estimated to have resulted in a loss of some £200,000 in tourist trade. Another aspect is reflected in the annual report of the Durban Municipal Transport Board, which reports a loss of some £5,000 in its revenue as a direct result of the outbreak of poliomyelitis.