[Interpretation of Detection of Intestinal Helminthes-The Kato-Katz Method (WS/T 570-2017)].

The criteria for the Kato-Katz thick smear are compiled following the Management Measures for Health Criteria and GBT 1.1-2009 Standardization Working Guidelines. The criteria are composed of five chapters, including the range of application, terms and definitions, equipments, reagent materials, and testing procedures. Three informative appendices (identification of helminth eggs in human faeces, counting method of eggs in Kato-Katz thick smear, and other considerations) are appended. The criteria have been issued by the National Health and Family Planning Commission of the People's Republic of China, it provides a technical reference for the detection of helminth eggs in human faeces in medical institutions and disease prevention and control institutions.