This graphic shows that in 2018, new HIV infections cost $13.7 billion in direct lifetime medical costs, new HPV infections cost $755 million in direct lifetime medical costs, and all other STIs cost $1.4 billion in direct lifetime medical costs.   This graphic shows that chlamydia, gonorrhea, and syphilis combined accounted for $1.1 billion in direct medical costs, and that care for young people (ages 15-24) accounted for about 60% of these costs.   This graphic shows that care for women represented nearly 75% of all STI-related direct lifetime medical costs (not including HIV care).   This graphic shows that HIV data represent only sexually acquired infections.