Bulletin of the World Health Organization

External quality assessment of national public health laboratories in Africa, 2002–2009

John Frean, Olga Perovic, Vivian Fensham, Kerrigan McCarthy, Anne von Gottberg, Linda de Gouveia, Bhavani Poonsamy, Leigh Dini, Jenny Rossouw, Karen Keddy, Wondimagegnehu Alemu, Ali Yahaya, Antoine Pierson, Virginie Dolmazon, Sébastien Cognat & Jean Bosco Ndihokubwayo

Volume 90, Number 3, March 2012, 191-199A

Table 2. Organisms and related materials sent to African laboratories participating in an external quality assessment programme,a 2002–2009

Disease component Organisms and materials
Bacterial enteric diseases Shigella, Salmonella and Enterococcus spp.; Vibrio cholerae; Enterobacter agglomerans; Escherichia coli; Aeromonas hydrophila; Campylobacter jejuni; Citrobacter freundii; Salmonella enterica serovar Typhimurium; Salmonella enterica serovar Typhi; pathogen-negative simulated stool
Bacterial meningitis Streptococcus pneumoniae, Neisseria meningitidis, Cryptococcus neoformans, Haemophilus influenzae, Streptococcus agalactiae, Listeria monocytogenes, viridans-group streptococci, Staphylococcus aureus, Pseudomonas aeruginosa, pathogen-negative simulated cerebrospinal fluid
Plague Yersinia enterocolitica, Pasteurella multocida, Klebsiella pneumoniae, Yersinia pestis F1 antigen and F1 serum antibodies, Yersinia-pestis-negative simulated bubo fluid
Malaria Plasmodium falciparum, Plasmodium ovale, Plasmodium vivax, Plasmodium malariae, Trypanosoma brucei subspecies, Borrelia spp. microfilariae, pathogen-negative blood films
Tuberculosis Mycobacterium tuberculosis, Mycobacterium-tuberculosis-negative sputum smears

a Coordinated by the World Health Organization and the National Institute for Communicable Diseases, a division of the National Health Laboratory Service of South Africa.