Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 0 1973 12 15 29 34 P. ADIBFAR 2015 09 28 33 Stools from 518 patients suspected of having cholera were examined. From 174 of these patients Vibrio EI Tor was isolated. PO of these strains belonged to phage type IV, 53 to phage type V and one strain was untypable. It is suggested that these strains originated from two different sources. https://acta.tums.ac.ir/index.php/acta/article/view/4166 https://acta.tums.ac.ir/index.php/acta/article/download/4166/4141