Kaplan–Meier curve for receiving the PEP in days after an AAI according to requirement for RIG. The travellers who required RV & RIG received their PEP 1.23 (1/0.81) times in days later, compared to those who needed only RV. Abbreviations: PEP, post-exposure prophylaxis; RV, rabies vaccinations; RIG, rabies immune globulins