PASTED FROM USCIS SITE:
: What is a communicable disease of public health significance?
A “communicable disease of public health significance” is defined in the Health and Human Services (HHS) regulations. According to the HHS regulations, 42 CFR 34.2(

, each of the following diseases qualifies as a “communicable disease of public health significance”:
Chancroid
Gonorrhea
Granuloma inguinale
Human immunodeficiency virus (HIV) infection
Leprosy, infectious
Lymphogranuloma venereum
Syphilis, infectious stage
Tuberculosis
If the civil surgeon finds a communicable disease of public health significance, you are inadmissible. Your doctor will recommend a course of treatment. Some medical conditions are not easily treatable. However, you may still qualify for adjustment of status by filing a waiver application.