Which one of the following is not spread by a droplet infection?
Gonorrhoea is a sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae. In men, symptoms include burning with urination, discharge from the penis, or testicular pain. Symptoms in women include burning with urination, vaginal discharge, vaginal bleeding between periods, or pelvic pain. Hence, gonorrhoea is a sexually transmitted infection. So, the correct answer is 'Gonorrhoea'.