It has as yet not been possible to detect prion diseases by using conventional methods, such as polymerase chain reaction, serology, or cell culture assays.
He was interested in syphilis since 1922 and had published many international articles on its diagnosis, treatment, hereditary properties, serology and social aspects.
Haematology investigation revealed no abnormalities, particularly no elevated eosinophil count, and no microfilariae were seen using stained blood films; the filariasis serology was negative.