vaccine manufacturers are required to declare the ingredients to the south african health products regulatory authority (sahpra) before the vaccine is approved for use.

vaendli va swisawutisi va komberiwa ku tivisa swicheriwa eka vulawuri byo lawula swi makiwa swa rihanyo bya afrikadzonga (sahpra) loko xisawutisi xi nga si pa sisiwa ku tirhisiwa.
