The National Immunization Technical Committee is established by the Ministry of Health(MOH) Malaysia to plan, monitor and review strategies, programs, targets and achievements of the immunization programs in the country. The Subcommittee of Pharmacovigilance on the Safety of Vaccines is one of the several working committees established under this main technical committee. As the name of the subcommittee implies, it is to assist the main committee on matters pertaining to the safety of vaccines.