Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Some human diseases by
bacteria are , pertussis,
diphtheria, bacterial ,
gonorrhea, syphilis, bubonic ,
leptospirosis, cholera, typhoid ,
Hansen’s disease, trachoma, ,
anthrax.