Countries with<unk> , currently and previously, . Because T. pallidum pertenue is temperature- and humidity-dependent,<unk>  is found in humid tropical forest regions in South America, Africa, Asia and Oceania. About three quarters of people affected are children under 15 years of age, with the greatest incidence in children 6–10 years old. Therefore, children are the main reservoir of infection. It is more common in remote areas, where access to treatment is poorer. It is associated with poverty and poor sanitation facilities and personal hygiene. Worldwide, almost 85% of<unk>  cases are in Ghana, Papua New Guinea, and the Solomon Islands. Rates in sub-Saharan Africa are low, but tend to be concentrated in specific populations. , it is estimated that about 89 million people live in<unk> -endemic areas, but data are poor, and this is likely an over-estimate. In the early 1900s,<unk>  was very common; in sub-saharan Africa, it was more frequently treated than malaria, sometimes making up more than half of treatments. Mass treatment campaigns in the 1950s reduced the worldwide prevalence from 50 to 150 million to fewer than 2.5 million; however, during the 1970s there were outbreaks in South-East Asia, and there have been continued sporadic cases in South America. , it was unclear how many people worldwide were currently infected. From 2008 to 2012, 13 countries reported over 300,000 new cases to the WHO. There was no system for certifying local elimination of<unk> , and it is not known whether the lack of reports from some countries is because they stopped having<unk>  cases or because they stopped reporting them. It is estimated that if there is not an active surveillance programme, there is less than a 1-in-2 chance that a country will successfully report<unk>  cases (if it gets them) in over three-quarters of countries with a history of<unk> . These countries are thought to need international assistance to mount effective surveillance. Generally,<unk>  is not a notifiable disease.
Yaws
Enanthem
Scrubs 
Exanthem
Chilblains
Tuberculosis hut
Scabies
Saddle sore