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close this bookHealth and Environment in Sustainable Development - Five Years after the Earth Summit (WHO, 1991, 128 p.)
close this folderPart II. Essential media and reagents for isolation and identification of clinical pathogens
close this folderPriority grading of pathogens, culture media, and diagnostic reagents
View the document(introduction...)
View the documentBlood culture
View the documentCerebrospinal fluid specimens
View the documentUrine
View the documentStool culture
View the documentLower respiratory tract
View the documentUpper respiratory tract
View the documentUrogenital specimens for agents of sexually transmitted diseases
View the documentPus and exudates
View the documentList of recommended culture media and diagnostic reagents for the intermediate microbiological laboratory

Urogenital specimens for agents of sexually transmitted diseases

Common pathogens

Pathogens with high priority

Neisseria gonorrhoeae
Treponema pallidum (dark-field microscopy)

Pathogens with intermediate priority

Haemophilus ducreyi
Gardnerella vaginalis (microscopic examination)
Candida albicans (microscopic examination)
Trichomonas vaginalis (microscopic examination)

Pathogens with low priority

Chlamydia trachomatis

Culture media and diagnostic reagents

Transport media

Priority code

Amies transport medium or Stuart transport medium


Isolation media

modified Thayer-Martin (MTM) medium or New York City (NYC) medium


Mueller-Hinton chocolated horse blood agar + vancomycin + IsoVitaleX for H. Ducreyi


Diagnostic reagents

oxidase reagent


Nitrocefin test or other b-lactamase test reagent