Field observations on the population dynamics of <em>Bulinus globosus</em>, the intermediate host of <em>Schistosoma haematobium</em> in the Ifakara... (Publications)
The population dynamics of Bulinus globosus were studied in a stream and an adjacent pool near Ifakara, Tanzania. Experiments with caged snails were used to determine fecundity, hatching rates, growth
Inoculation of pigs against <em>Trichinella spiralis</em>, using larval excretory-secretory antigens (Publications)
Pigs were inoculated with Trichinella spiralis excretory-secretory products derived from short-term in vitro maintenance of infective muscle larvae. Intraperitoneal administration of excretory-secreto
Measles, mumps and rubella: vaccination rate and seroprevalence in 8th grade students of 8 different sites in Switzerland 1995/96 (Publications)
In 1987, the Swiss Federal Health Office (BAG) and the Swiss cantons launched the MMR-vaccination campaign. Within the frame of the SCARPOL Study, the vaccination status of 649, 8th class students was