The second question is based on some misunderstanding. HDCV is one cell culture vaccine, others being chick embryo fibroblast based or Vero cell based. All these and the Swiss duck egg grown and purified vaccine are equal in efficacy and safety. So all of them can be treated on par. In all cases antibody response starts early, and can be demonstrated by day 7 in most cases and by day 10 or 14 in all cases, irrespective of which vaccine is being used.
Passive immunization is for immediate protection, within minutes of giving the preformed antibodies.
From the technical point of view, the doctor must record the need for passive immunization and also the lack of availability of the RIG, if the method adopted is to be found acceptable in the eyes of peers, in case of litigation. Need of rabies vaccine after a course of rabies vaccination. About IP About IAP Feedback Links Author Info.