Davood Azizi, Fahimeh Safarnezhad Tameshkel, Farzin Roozafzai Mohammad Hadi Karbalaie Niya, Samaneh Khorrami, Zahedin Kheyri,

Alireza Abdollahi, Azita Yazdi Hana saffar Hiva Saffar Saeed Shoar

mohammad taghi akhi immunology research center, tabriz university of medical sciences, tabriz, ir iran; research center of infectious and tropical diseases, tabriz university of medical sciences, tabriz, ir iran; department of bacteriology and virology, school of medicine, tabriz university of medical sciences, international branch, tabriz, ir iran; department of bacteriology and virology, school of medicine, tabriz university of medical sciences, tabriz, ir iran ali toloue ostadgavahi immunology research center, tabriz university of medical sciences, tabriz, ir iran; research center of infectious and tropical diseases, tabriz university of medical sciences, tabriz, ir iran; department of bacteriology and virology, school of medicine, tabriz university of medical sciences, international branch, tabriz, ir iran; department of bacteriology and virology, school of medicine, tabriz university of medical sciences, international branch, tabriz, ir iran. tel/fax: +98-5138452951 reza ghotaslou department of bacteriology and virology, school of medicine, tabriz university of medical sciences, tabriz, ir iran mohammad asgharzadeh paramedical faculty, tabriz university of medical sciences, tabriz, ir iran tahereh pirzadeh department of bacteriology and virology, school of medicine, tabriz university of medical sciences, tabriz, ir iran vida sorayaei sowmesarayi department of bacteriology and virology, school of medicine, tabriz university of medical sciences, international branch, tabriz, ir iran