Haemophilus ducreyi as a cause of skin ulcers in children from a yaws-endemic area of Papua New Guinea: a prospective cohort study  Dr Oriol Mitjà, MD, Prof Sheila A Lukehart, PhD, Gideon Pokowas, HEO, Penias Moses, HEO, August Kapa, BSc, Charmie Godornes, BSc, Jennifer Robson, MD, Sarah Cherian, MD, Wendy Houinei, HEO, Walter Kazadi, MD, Prof Peter Siba, PhD, Elisa de Lazzari, MSc, Quique Bassat, MD  The Lancet Global Health  Volume 2, Issue 4, Pages e235-e241 (April 2014) DOI: 10.1016/S2214-109X(14)70019-1 Copyright © 2014 Mitjà et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 1 Distribution of cases of Haemophilus ducreyi skin ulcers reported in the south Pacific countries since 1989 The Lancet Global Health 2014 2, e235-e241DOI: (10.1016/S2214-109X(14)70019-1) Copyright © 2014 Mitjà et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 2 Study profile The Lancet Global Health 2014 2, e235-e241DOI: (10.1016/S2214-109X(14)70019-1) Copyright © 2014 Mitjà et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 3 Appearance of leg ulcers in children from Lihir Island (A, B) Shallow, slough-base ulcers with rolling edges in patients with Haemophilus ducreyi infection. (C, D) Red, moist, hypergranulating ulcers with raised edges on the legs of patients with primary yaws. The Lancet Global Health 2014 2, e235-e241DOI: (10.1016/S2214-109X(14)70019-1) Copyright © 2014 Mitjà et al. Open Access article distributed under the terms of CC BY Terms and Conditions