Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Leprosy classification: Ridley Jopling and WHO
| Ridley Jopling Classification (1966) | WHO Classification (2017) |
|---|---|
| Tuberculoid leprosy (TT) | Paucibacillary Leprosy |
| Borderline tuberculoid (BT) | Up to five skin lesions |
| Slit skin smears negative on all sites | |
| Borderline borderline (BB) | Multibacillary leprosy |
| Borderline lepromatous (BL) | Six or more skin lesions (or any nerve involvement with fewer lesions) |
| Lepromatous leprosy (LL) | Pure neuritis |
| Slit skin smears positive |
