yes ofc. how do you explaintobi continuesly dying for 5 minutes against konan?! in danzou's case it simplyseemed like one death=one izanagi because he kept dying a short time after reappearing.
nagato was using yahiko's corpse by stickingthose piercings in yahiko's body, which transmits nagato's chakra with the power of one predetermined pathof pain.