Fig 1.
Yaws-endemic areas and study sites in the Philippines.
Yaws was confirmed in 2 areas: Liguasan Marsh (2017) and Tagkawayan, Quezon (2020) (contains information from OpenStreetMap and OpenStreetMap Foundation, which is made available under the Open Database License https://www.openstreetmap.org/copyright) [6].
Fig 2.
Two-pronged approach to find yaws in a previously endemic country: (1) start with historical records to find yaws-endemic sites and (2) crowdsourcing from health personnel online; show yaws skin signs and ask for any reports or records. (Created with BioRender.com). b. Aeta village, Tagkawayan, Quezon*; c. Flyer of yaws and leprosy photos used during the yaws studies**; NTD Neglected Tropical Diseases; d. Skin examination by dermatologist Dr Belen Dofitas (Sultan Kudarat) 2017*; e. DPP kit*; f. Online survey form used during yaws studies*; g. Cover of Yaws Recognition Booklet for Communities (Filipino version)**; h. Yaws image on a cellphone* *Photo credit Dr. Belen L Dofitas; ** Yaws Recognition Booklet for Communities (Filipino version).