I.S. EN ISO 11290-1:2017

National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Culture media and reagents
6 Equipment and consumables
7 Sampling
8 Preparation of test sample
9 Procedure
10 Expression of results
11 Performance characteristics of the method
12 Test report
13 Quality assurance
Annex A (normative) - Diagram of procedure
Annex B (normative) - Composition and preparation of
        culture media and reagents
Annex C (informative) - Distinction of Listeria spp. from other
        genera
Annex D (informative) - Reactions for the identification of
        Listeria species
Annex E (informative) - Listeria selective agars
Annex F (informative) - Results of the interlaboratory studies
        for detection of Listeria monocytogenes
Bibliography

Gives a horizontal method for - the detection of L. monocytogenes, and - the detection of Listeria spp. (including L. monocytogenes).