Infectious Diseases A-Z: What is an STI?

You may have heard the term STI used in place of STD or sexually transmitted diseases. The Centers for Disease Control and Prevention recently estimated 20 million new STIs occur in the U.S. each year.

What do we mean by STI? We talked with Dr. Stacey Rizza, a Mayo Clinic infectious diseases specialist to help us understand the language and what it means.