E G Knox: 2 books

for the design of control programs; in extreme cases (as dis­ cussed below, by Fine et al. , this volume, and elsewhere) it can happen that immunization programs, although they protect vaccinated individuals, actually increase the overall incidence of a particular disease. The possibility that many...

The continuous and rapid improvement of tourism around the whole world and the increasing emigration of peoples from the developing countries to the "old continents" have changed the classical image of tropical diseases, which are now seen more frequently in temperate and highly developed...