What Medical Conditions Would Render Me Inadmissible?

What medical conditions would render me inadmissible anyway?
There are four categories of conditions that may render a person inadmissible. The four categories are:
  • Communicable disease of public health significance such as Chancroid, Gonorrhea, Granuloma Inguinale, Infectious Leprosy, Infectious Stage Syphilis, HIV, Active TB, etc.
  • Failure to show proof of required vaccinations
  • Mental or physical disorder with associated harmful behavior
  • Drug Abuse or Drug Addiction