194. Syphilis: A Review.
Syphilis is an infectious disease caused by Treponema pallidum, a gram-negative, spirochete bacterium. Worldwide, an estimated 8 million adults aged 18 to 49 years acquired syphilis in 2022. From 2019 to 2023, US syphilis cases increased by 61% overall, with diagnoses among females increasing by 112% and congenital syphilis cases increasing by 106%.
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