Note: also set blend mode to "Color Burn" and the contour to "Gaussian"
Methods and Findings We retrieved studies published in any language up to June 30th, 2013 by systematically searching Medline, Embase, the five regional bibliographic databases of the World Health Organization, and ISI-Proceedings databases, by manually examining the references of the original articles and reviews retrieved, and by establishing personal contact with clinical researchers
A recent study by the U.S
Causes and Risk Factors for Syphilis Sexual contact with someone who has syphilis (including vaginal, anal, or oral sex) Direct contact with syphilis sores, which are usually found on the genitals, anus, lips, or mouth Mother to child transmission during pregnancy or childbirth (called congenital syphilis) Sharing needles for IV drug use, though this is rare You cannot get syphilis from using the same clothing, toilet, toilet seat, or utensils as an infected person
