by European Molecular Biology Laboratory SARS-CoV-2’s ability to infect cells relies on interactions between the viral spike protein (magenta) and the protein ACE2 (blue), which is present on the surface of human cells. These interactions can be disrupted by sybodies (black) – synthetic mini-antibodies similar to those produced by camels and llamas. Credit: Rayne Zaayman-Gallant/EMBL The...