STD - Sexually Transmitted Diseases - Estimating how many STD cases occur is not a simple or straightforward task. First, most STDs can be "silent," causing no noticeable symptoms. These STDs infections can be diagnosed only through testing. Unfortunately, routine screening programs are not widespread, and social stigma and lack of public awareness concerning STDs often inhibits frank discussion between health care providers and patients about STD risk and the need for testing.
The estimated total number of people living in the US with an incurable STD is over 65 million. Every year, there are approximately 15 million new cases of STDs, a few of which are curable.
Two-thirds of all STDs occur in people 25 years of age or younger.
One in four new STD infections occur in teenagers.
Of the STDs that are diagnosed, only four--gonorrhea STDs, syphilis STDs, chlamydia STDs and hepatitis B STDs--are required to be reported to state health departments and the CDC for statistical purposes. Hepatitis B is recent addition to that list.
It is estimated that as many as one in four Americans have STDs, yet at least 80 percent of those are unaware they have STDs. At least one in four Americans will contract an STDs at some point in their lives. Less than half of adults ages 18 to 44 have ever been tested for STDs other than HIV / AIDS. At least 15 percent of all infertile American women are infertile because of STDs.