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Abstract

Rabies Prophylaxis Strategy in Iran, a Need for an Alternative Strategy: Would the Essen Regimen be Replaced by Zagreb Protocol? by Pooneh Rahimi, Rouhollah Vahabpour, Mohammad R. Shirzadi, Golnaz Bahramali, Mohammad R. Aghasadeghi

Background: Rabies is a fatal zoonotic infectious disease, which can be prevented by prompt post-exposure prophylaxis that could be expensive in countries with a large population. The Essen protocol with injection of 5 single doses of human rabies vaccine on separate days is a well-known rabies prophylaxis schedule. Decreasing the number of vaccine doses and the number of clinical visits due to an effective alternative schedule is strongly needed. The 2-1-1 regimen, known as Zagreb, is one of the best candidates to succeed Essen.
Methods: To evaluate the effectiveness of Zagreb regimen in the Iranian population by using the Purified Vero cell Rabies Vaccine (PVRV), anti-rabies antibody titer was measured in volunteers with second and third exposure through Rapid Fluorescent Focus Inhibition Test (RFFIT) and Enzyme Linked Immunosorbent Assay (ELISA) test and compared with patients, who were treated according to the Essen protocol.
Results: In all participants, anti-rabies antibody titer reached the protective level with no suppressive effect of rabies immunoglobulin in patients with third exposure in Zagreb regimen.
Conclusions: Zagreb regimen could be considered a suitable alternative for the Essen protocol.

DOI: 10.7754/Clin.Lab.2018.180619