1956 Volume 9 Issue 4-5 Pages 165-177
A parasitologic survey of human parasitic infections was made in Shizuoka Prefecture, Japan, during August and September, 1950 (Ritchie et al., 1951a) . The objectives included a determination of (i) the incidence of infections, (ii) helminth densities, (iii) factors predisposing infections, (iv) the status of schistosomiasis, (v) status of paragonimiasis and filariasis, and (vi) the efficiency of the intradermal test for the diagnosis of paragonimiasis.