municable Disease Control, Dr. Itotia, Director of the The geomedical monograph on Kenya continues the National Public Health Laboratories, Dr. J. M. D. Ro series of Regional Studies in Geographical Medicine berts, Head of the Division of Vector-Borne Diseases, founded by Ernst Rodenwaldt in 1965, which may be considered as supplementing the World Atlas of Epidem and to Mr. Ted Abukuse, Chief Statistician at the Minis ic Diseases of the Heidelberg Academy of Sciences. Since try of Health, Nairobi. The authors offer their particular thanks for support the appearance of the first volume in 1967...

On the occasion of a research visit to Thailand in my capacity as a member of the governing board of the South Asia Institute of the University of Heidelberg, I saw for the first time the severe clinical picture of dengue with haemorrhagic symptoms among Thai children. This visit had been made possible by Profes sor Dr. med. Dr. rer. nat. Ouay Ketusinh of Bangkok, to whom I wish to express my sincere thanks in this place. In 1972 the German medical literature - the periodical Medizinische Klinik, vol. 87, pp. 152-56, to be precise - had drawn attention to this new phenomenon in the disease...

For medical scientists, biologists and geographers interest- ed in geomedical problems the helminthiases can be a fas- cinating object of research. Their distribution is due to the in part very complicated parasite life cycles which fre- quently depend on the presence of intermediate hosts. The search for the causes of the distribution of helminthiases requires to take into account not only such geofactors as affect the parasite developmental stages outside man but go beyond this and include the entire web of factors which contribute to the conditions for the distribution of their in-...

rope it was mainly the states of the northern and centrat European areas which succeeded in achieving the extermi nation or at least the regression of brucellosis. (The origi nal plan to present the conditions in Asia and Oceania, in cluding Australia, in maps as weil, and thereby to achieve a comprehensive worldwide review of the known and as certainable distribution of brucellosis, was not, however, practicable. ) Information available from these parts of the world, especially from Asia, is so fragmentary that the great expense required for the compilation of the map did not seem justified....