In a study of bilharzia in a school where 60% of the children were found to be infected with Schistosoma haematobium, a comparison was made between the infected and uninfected children in respect of Hb. percentage, weight, ...

There has been a considerable accumulation of data in recent years enabling a more accurate assessment of the extent of bilharzia in Zambia than has been possible hitherto. The data fall into two groups. The first consists ...