Common risk factors in the development of syphilis include unprotected sexual intercourse, intravenousdrug abuse, men who have sex with men and healthcare occupations.[1][2][3][4][5][6][7]
↑Newell, J., et al. "A population-based study of syphilis and sexually transmitted disease syndromes in north-western Tanzania. 2. Risk factors and health seeking behaviour." Genitourinary medicine 69.6 (1993): 421-426.
↑Newell, J., et al. "A population-based study of syphilis and sexually transmitted disease syndromes in north-western Tanzania. 2. Risk factors and health seeking behaviour." Genitourinary medicine 69.6 (1993): 421-426.