Bacterial (treatable but repeatable) Chlamydia ________ Syphilis (fill in the blank)

The correct answer is "is not repeatable".

Bacterial (treatable but repeatable) Chlamydia is caused by the bacterium called Chlamydia trachomatis. Now, moving on to the second part of your question, Syphilis is caused by the bacterium called Treponema pallidum.

Bacterial (treatable but repeatable) Chlamydia is caused by the bacterium Chlamydia trachomatis.

Syphilis, on the other hand, is caused by the bacterium Treponema pallidum. It is a sexually transmitted infection that progresses in different stages if left untreated. The stages of syphilis include primary, secondary, latent, and tertiary syphilis.