Large-scale Neisseria meningitidis (Nm) carriage studies in Africa are hampered by the lack of easy-to-perform and reliable methods for serogrouping strains that are largely polyagglutinable or autoagglutinable isolates using the conventional agglutination method. We tested the recently developed duplex rapid diagnostic tests (RDT1 Nm A and Y/W135, RDT2 Nm C and Y) for the serogrouping of 55 non-interpretable carriage strains. Thirteen (23.6%) could be serogrouped, of which nine were serogroup W135. Rapid diagnostic tests are a useful and efficient tool for the identification and serogrouping of Nm for carriage studies.
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