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WS 271-2026Diagnostic standard for infectious diarrhea (English PDF)

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Issued by

National Health Commission

Level / Type

National · Mandatory

Issue date

July 1, 2026

Implementation date

June 1, 2027

Scope

WS 271-2026 (Diagnostic standard for infectious diarrhea) is available as an English-translated PDF.

WS 271-2026 — This standard specifies the diagnostic basis, principles, criteria, and differential diagnosis for infectious diarrhea other than cholera, bacterial and amoebic dysentery, typhoid fever, and paratyphoid fever.

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Document preview — WS 271-2026

National Standard of the People's Republic of China

ICS: 11.020
Classification: C 59
Replacing: WS 271-2007

Issued by: National Health Commission

What this standard covers1
Document data2

What this standard covers

This standard specifies the diagnostic basis, principles, criteria, and differential diagnosis for infectious diarrhea other than cholera, bacterial and amoebic dysentery, typhoid fever, and paratyphoid fever. This standard applies to the diagnosis and reporting of infectious diarrhea by medical and health institutions of all levels and types and their personnel nationwide.

Document data

International classification (ICS): 11.020.

Chinese classification (CCS): C59.

Estimated length of the Chinese original: 31,346 words.

Supersedes the earlier edition WS 271-2007.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

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