Effects of oral hygiene and food intake on tongue swab testing for tuberculosis in South Africa
Luabeya, A.; Olson, A.; van As, D.; Hadley, K.; Wood, R. C.; Mabwe, S.; Petersen, C.; Yan, A. J.; Weigel, K.; Yager, P.; Hatherill, M.; Cangelosi, G.
Show abstract
The WHO has recommended tongue swabs (TS) as alternative samples for microbiological diagnosis of tuberculosis. We evaluated the effects of oral hygiene and food/drink intake on TS performance in South Africa. Food/drink intake prior to sampling marginally decreased Mycobacterium tuberculosis DNA signal strength, but neither behavior decreased diagnostic sensitivity.
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