<prompt> Dose of Rabies immunoglobulin is10 IUKg body weight15 IUkg body weight20 IUkg body weight25 IUkg body weight  <response>: The anti-rabies serum is given in class III bites Single or multiple transdermal bites or scratches, licks on broken skin, Contamination of mucous membranes with sal, exposure to batsIt is found to prolong the incubation period.Passive immunization in rabies may be given by :Horse Anti-rabies serum: 40 IUkg body wt up to max 3000 units, infiltrated in the wound, the rest gave IMHuman Rabies Immunoglobulin: preferred 20 IUkg body wt infiltrated in the wound, the rest given i.m. 