%0 Journal Article %T On the study of an SEIV epidemic model concerning vaccination and vertical transmission %A Dan Long %A Zhongyi Xiang %J Journal of Applied Mathematics and Bioinformatics %D 2011 %I Scienpress Ltd %X In this work, we study an epidemic model with vaccination and vertical transmission. We get the basic reproduction number R0 of the system and carry out a bifurcation analysis and obtain the conditions ensuring that the system exhibits backward bifurcation. %K epidemic model %K vertical transmission %K backward bifurcation %U http://www.scienpress.com/Upload/JAMB/Vol%201_1_2.pdf