- Mycobacterium Leprae
- Spread via resp droplets
 
   
           
        
        
        
          
          
            
  
      
    
    
      
        
            - Southeast Asia, Asia, Africa, South America
- Exposure to infected Armadillos (US Southwest)
 
   
           
        
        
        
          
          
            
  
      
    
    
      
        
            - Anesthetic macule
- Area of involvement spreads
- Direct nerve involvement
- Neuropathic pain and enlargement of involved nerve
- Nasal deformity, stuffiness, nose bleeds
- Skin ulcers on feet as can't feel injuries
- Asymmetric, upper or lower extremities
 
   
           
        
        
        
          
          
            
  
      
    
    
      
        
            - Anesthetic, hypo pigmented macule
- Enlargement of involved nerve
- Nasal deformity & stuffiness
- Painless skin ulcers
 
   
           
        
       
      
      
  
  
    
      - Diagnosed by recognizing signs/symptoms and performing skin biopsy