| parvovirus b19 microepidemic in renal transplant recipients with thrombotic microangiopathy and allograft vasculitis. | parvovirus b-19 (b-19) can lead to various clinical scenarios in renal transplant recipients. here, we report a b-19 microepidemic that occurred between january and march 2007, involving renal transplant recipients from a single center in tabriz, iran. we observed 6 patients in whom there was a temporal association between active b-19 infection and thrombotic microangiopathy and intrarenal small and medium-sized vessel vasculitis. patients typically presented with deteriorating renal allograft f ... | 2008 | 18816241 |