WHO experts on vaccine production (Mr Lahouari Belgharbi- scientist, HQ, Dr Houda Langar-Regional Advisor, EMRO, Dr Vazirian-Technical Officer-Tehran) visited Karaj Production and Research Center on 21st April 2009.

After discussion on various aspects regarding vaccine production and regulation with experts managing directors, they expressed their gratitude for the stated art, the technology employed to produce vaccines in PII.