<prompt> For post-exposure prophylaxis, dose of human rabies immunoglobulin is:10 IUkg20 IUkg30 IUkg40 IUkg  <response>: Human rabies immune globulin HRIG: 20 IUkg, maximum injected locally, rest IM in gluteal region. It is indicated in only in category III bites. Equine rabies immunoglobulin ERIG- It is given at dose of 40 IUkg . Being heterologous in origin horse, it is associated with serum sickness; hence not in use. 