Rabies vaccine. To repeat the vaccine?

No, you do not need to be overly concerned, and repeating the vaccine series is not necessary in this case. Modern rabies vaccines (cell-culture based ones like Rabipur, Verorab, etc.) are very immunogenic and effective when given intramuscularly (IM) on the correct schedule — even if some doses were given in the gluteal area. Guidelines from WHO, CDC, and others strongly prefer deltoid (upper arm/shoulder) in children >2 years or anterolateral thigh in younger kids, and explicitly advise against gluteal injections because: There's more fat in the buttocks → risk of the vaccine going partly subcutaneous instead of deep IM. This can lead to somewhat slower/lower antibody response in some cases (especially noted with hepatitis B and older rabies data). However: For rabies PEP specifically, gluteal administration does not make the doses invalid in the way it does for some other vaccines. There are documented cases and general expert consensus (including from immunization bodies) that doses given in the gluteal area are usually still considered protective and do not require repeating — especially if the child completed the full course, responded normally (no immunosuppression), and is clinically well. The last dose was correctly given in the deltoid, and the series was completed on time. The bite was relatively minor (abrasion through clothing, no heavy bleeding/deep puncture), wound cleaned (though delayed), and PEP started promptly.