On November 1st 2016, got sponsored by World Health Organization (WHO), National Institute for Control of Vaccines and Biologicals (NICVB) in collaboration with domestic vaccine manufacturers held the annual Workshop on “Harmonizing technical method in quality control of EPI vaccines (Expanded Programme on Immunization) between NICVB and domestic manufacturers” at Muong Thanh hotel, Dai Kim ward, Hoang Mai district, Hanoi.