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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

Cerebrospinal fluid specimens

Common pathogens

Pathogens with high priority

Neisseria meningitidis
Streptococcus pneumoniae
Haemophilus influenzae
Gram-negative rods
Mycobacterium tuberculosis
Cryptococcus neoformans

Pathogens with intermediate priority

Streptococcus agalactiae (group B)

Pathogens with low priority

Listeria monocytogenes

Culture media and diagnostic reagents

Isolation media

Priority code

blood agar (with streak of Staphylococcus)

1

chocolate agar

1

MacConkey agar

1

Sabouraud dextrose agar

2

Lstein-Jensen medium

2

Identification reagents


oxidase reagent

1

optochin discs

1

b-lactamase test reagent

1

V and XV factors

2

Neisseria meningitidis agglutinating serum (polyvalent and specific groups A, B, C)

3

Haemophilus influenzae type b antiserum

3

Rapid diagnostic tests


test kit for rapid diagnosis of meningitis agents

3