Serges Tchatchouang

Loading metrics Open Access Peer-reviewed Research Article ? This is an uncorrected proof. Citation: Mueller C, Tchatchouang S, Basing LA, Ngazoa-Kakou S, Hugues KA, Handley BL, et al. (2026) External quality assessment for yaws elimination in low- and middle-income countries using plasmid-based proficiency test items. PLoS Negl Trop Dis 20(3): e0013772. https://doi.org/10.1371/journal.pntd.0013772 Editor: Joseph M.

Keywords H. ducreyi genetic characterization MLST susceptibility testing skin ulcer INTRODUCTION Haemophilus ducreyi is a fastidious Gram-negative coccobacillus of the polyphyletic family Pasteurellaceae.

In order to be considered a case of leprosy (Hansen’s Disease), an individual must have had one or more skin lesion that was hypopigmented or red and had definite loss of sensation. Buruli ulcer case was based on clinical presentation consistent with a painless, non-healing ulcer with undermined edges and a necrotic base, typically located on the limbs; a painless nodule or plaque, typically located on the limbs; and oedema of a limb or other body part, with or without overlying ulceration.