Filoviruses infect a wide range of cell types with the exception of lymphocytes. The intracellular proteins cathepsin B and L. two-pore channel 1 and 2. and bona fide receptor Niemann–Pick Disease C1 (NPC1) are essential for the endosomal phase of cell entry. https://www.roneverhart.com/Medline-Wheelchair-Arm-Trays-TRAY-ARM-WHEELCHAIR-ADJUSTABLE-LEFT-MDSR009636/