Every year, millions of people travel abroad, exposing themselves to various diseases. Advice on risk avoidance and on self-medication is not always successful; sometimes travellers return home ill or become unwell soon afterwards. There are many possible causes for such illnesses, and physicians should try to establish whether the disease is specifically associated with the recent journey. The...

I'm sitting at a table in a Frankfurt airport waiting room, playing bridge with three high school students. Slung about my waist is a fanny pack stu ed with passports and plane tickets for eight. A cacophony of Greek buzzes about us, as tired travellers wait to board the plane to Athens. Among them is our contingent, easily distinguishedby our bright red golf shirts emblazoned with red maple le...

I HE late afternoon of 19th July saw the arrival of two weary, hungry travellers at Oxford station. They commented sadly but without bitterness on the fact that whatever strides English railways have made within the last few decades, Sundav travelling in that country has remained very much in statui qpio. The gloom that had settled down on the spirits of the jaded travellers was niot at all all...

Travel insurers and medical evacuation companies have a responsibility to provide an efficient high-quality service to their clients. These companies often deliver a standard far short of best practice and far short of their promotional brochures. Their services are overdue for governmental review and a lifting of standards. Travellers must be given realistic advice about the risks of foreign t...

The formulation of most shortest-path problems makes two simplifying assumptions: (1) the edge weights are deterministic, and (2) global knowledge of the network is available. I develop a decentralised routing algorithm providing en-route guidance for travellers without global knowledge on spatial networks with stochastic edge weights. The algorithm guides travellers using an estimation functio...