The Kato-Katz template shown the delivery of 41.7 mg of faeces. The number of eggs observed was multiplied by 24 to obtain the number of eggs per gram of faeces. People, who had egg in the feces, were grouped into three categories: light (1-1,999 eggs per gram; epg), moderate (2,000-3,999 epg) and heavy (≥4,000 epg ) infection.