The bulk update request #10814 is pending approval.
create alias stds (8) -> std (155)
create alias syphilis (3) -> std (155)
create alias hiv (61) -> std (155)
create alias aids (49) -> std (155)
create alias herpes (2) -> std (155)
create alias sexually_transmitted_disease (0) -> std (155)
Reason: None of these tags have over 200 uses and can all be condensed down into a single tag.
(My apologies if I submitted this wrong).