The testicular tissues from COVID-19 negative patients (Figure 2B), inflammatory changes (Figure 2F) or previous intensive care controls (Figure 2H) were positive for the AR protein (indicated by the brown nuclei (black arrowheads, Figure 2B) albeit diminished in F and H. Samples from a patients with COVID-19 were negative for AR (Figure 2D). Here, AR is linked to COVID-19.