Electronic Supplementary Figure 1 A) Light microscopy renal section from a child with HIV demonstrating mesangial expansion with deposits & GBM thickening.

Electronic Supplementary Figure 1 A) Light microscopy renal section from a child with HIV demonstrating mesangial expansion with deposits & GBM thickening with subendothelial deposits (Jones Methenamine silver stain x 400)

B) Light microscopy renal section from a child with HIV demonstrating typical collapsing Focal Segmental Glomerulosclerosis -FSGS (Jones Methenamine silver stain x 400)

C) Light microscopy renal section from a child with HIV demonstrating tubular dilatation and interstitial inflammation (H & E stain x 100)