Changes

'''Sexually transmitted diseases''' (STDs), or '''sexually tansmitted infections''' (STIs), are [[illness]]es transmitted by sexual contact. STDs comprise a large and diverse set of disease entities which include [[virus]]es, bacteria, protozoa, and arthropods. Many of these diseases can cause great harm before symptoms are detected.  

'''Sexually transmitted diseases''' (STDs), or '''sexually tansmitted infections''' (STIs), are [[illness]]es transmitted by sexual contact. STDs comprise a large and diverse set of disease entities which include [[virus]]es, bacteria, protozoa, and arthropods. Many of these diseases can cause great harm before symptoms are detected.  

In 2018, there was a record all-time high in prevalence of syphilis, gonorrhea and chlamydia.

In 2018, there was a record all-time high in prevalence of [[syphilis]], gonorrhea and chlamydia.

== List of STDs==

== List of STDs==