GB 19193-2025Disinfection specification for infectious diseases (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part

1.Structure and Drafting Rules of Standardization Documents". Drafting. This document replaces GB 19193-2015 "General Principles for Disinfection of Epidemic Sources". Compared with GB 19193-2015, the main differences are structural adjustments and editorial changes. Aside from the changes, the main technical changes are as follows:

---The scope has been changed (see Chapter 1, Chapter 1 of the.2015 edition);

---Terminology and definitions have been changed (see Chapter 3, Chapter 3 of the.2015 edition);

---Disinfection principles have been added (see Chapter 4);

---Preventative disinfection requirements have been added (see Chapter 5);

---The requirement for disinfection at any time has been added (see Chapter 6);

---Added basic requirements for terminal disinfection (see 7.1);

---The terminal disinfection methods for different types of infectious diseases have been changed (see 7.2, Chapter 5 of the.2015 edition);

---Disinfection quality control has been added (see Chapter 8);

---The disinfection evaluation has been revised (see Chapter 9, 4.1-

4.4 of the.2015 edition, and Chapter 6);

---The terminal disinfection procedure has been changed (see Appendix B, Appendix A of the.2015 edition). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the National Center for Disease Control and Prevention. The release history of this document and the document it replaces is as follows:

---First published as GB 19193-2003 in.2003, and revised for the first time in.2015;

1 Scope

GB 19193-2025 is the Chinese national standard on disinfection specification for infectious diseases, in the field of health care technology. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 5 October 2025 by the State Administration for Market Regulation; Standardization Administration of China, and takes effect on 1 November 2026. Classification: ICS 11.080, CCS C59. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This document establishes the principles of disinfection for infectious diseases, and stipulates the requirements for preventive disinfection, disinfection at any time, and terminal disinfection for infectious diseases. Disinfection quality control and disinfection evaluation. This document applies to preventive disinfection, on-call disinfection, and terminal disinfection for various infectious diseases.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document.

GB 5749 Standard for Drinking Water Quality

GB 18466 Standard for Water Pollutant Discharge from Medical Institutions

GB 18918 Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants

GB 27953 General Requirements for Disinfectants in Epidemic Foci WS/T 797 On-site disinfection evaluation standard

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Disinfection measures, primarily aimed at cutting off the transmission routes of pathogens, are adopted to prevent and control infectious diseases.

Note. This includes preventative disinfection, disinfection at any time, and terminal disinfection.

3.2 Disinfection of environments and objects that may be contaminated by pathogenic microorganisms when there is no clear source of infection.

3.3 When a source of infection is present, the secretions, vomit, excrement, and bodily fluids of the source of infection, as well as the environment and objects they contaminate, should be promptly disinfected. Disinfection of the line.

3.4 Terminal disinfection After the source of infection leaves, thorough disinfection is carried out on the environment and objects that have been contaminated or may be contaminated.

4 Disinfection Principles

4.1 Principle of compliance with laws and regulations Disinfection work related to infectious diseases is carried out in accordance with the provisions of the "Law of the People's Republic of China on the Prevention and Control of Infectious Diseases" and other laws and regulations, and is incorporated into the local infectious disease prevention and control plan.