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According to infectologist Olavo Munhoz Leite, sexual freedom and lack of prevention contribute to the increase in the number of infected by the disease

Controlling the spread of syphilis is a challenge for public health. 158,051 cases were detected only in 2019. This is an infectious, sexually transmitted disease, caused by the bacterium Treponema pallidum, and may present in several ways, which makes it difficult to identify. All pregnant women with the disease should be notified during pregnancy to avoid the transmission of the mother to the fetus. Doctor Olavo Munhoz Leite, an infectologist at the Hospital das Clínicas da Faculdade de Medicina da USP, says that "syphilis, as well as gonorrhea, is considered a world emergency by the World Health Organization".

When undetected, syphilis can advance, causing various damage to the body. According to Munhoz Leite, "it is estimated that, per year, about 6 million new cases occur among people aged 15 to 49 years". The disease has two forms: acquired and congenital. Acquired syphilis increased significantly in Brazil. Only from 2010 it became one of the diseases in the list of those mandatory notification. Before, only the congenital was notified.

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