📘 A study was undertaken to indentify different human helminth parasites and protozoans in various occupational and age groups of Swat, Pakistan. Seasonal variation of helminth and protozoan intestinal parasites were prepared in the form of histograms. Parasites and eggs were photographed and are being presented. Keeping in view that present study is based on the prevalence of these parasites in different occupational groups, ages and genders of Swat, Pakistan. Seasonal variation of helminth and protozoan intestinal parasites were prepared in the form of histograms. Parasites and eggs were photographed and are being presented. This book shall be of great use for students and research workers of parasitology.