All are true about cutaneous anthrax except

Cutaneous anthrax: lesion stas as a papule 1-3 days after infection and becomes vesicular, containing a fluid which may be clear or bloodstained. The whole area is congested and edematous and several satellite lesions filled with serum or yellow fluid are arranged around a central necrotic lesion which is covered by a black eschar. This is a malignant pustule. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 249