As many as to 4,000,000 teens become infected each year.

Did you know that there are more than 12 million new cases of sexually transmitted infections (STIs) a year?

Did you know there are three to four million STI infections among teens a year?

This feature is designed to provide you with the latest on STIs and ways to protect yourself from infection.

What are STIs?
STIs are infectious and contagious bacteria or viruses which are spread from one person to another primarily through sexual contact.

STIs To Know
What do you know about STIs? Here are some STIs you should get to know.

• Herpes
  
• Genital HPV
  
• Syphilis
  
• Gonorrhea
  
• Chlamydia
  
• Pelvic Inflammatory Disease
  
• HIV
  
• Hepatitis

Preventing STIs
Don't want these STI's? Check out our prevention pages, for information on safer sex and abstinence.

Questions?

For more information on sexually transmitted diseases, you can call the following hotlines. All calls are confidential.

CDC National STD Hotline (English) - 1 (800) 227-8922
CDC National STD Hotline (Spanish) - 1 (800) 344-7432
CDC National STD Hotline (TTY) - 1 (800) 243-7889
National Herpes Hotline - 1 (919) 361-8488