Bicycle is using its proprietary platform to try to address the significant healthcare challenge of antimicrobial resistance and has identified several potential Bicycle® PBP3 inhibitors. Through grants awarded by the UK government and in collaboration with investigators at the University of Warwick, Bicycle intends to progress these PBP3 inhibitors, potentially representing the first novel class of antibiotics identified in decades, to candidate and initial toxicology testing. Bicycle has identified numerous discrete families of Bicycles which bind to at least 10 different epitopes on the SARS-CoV-2 spike protein, binders to the Nucleocapsid protein and the viral attachment site on the host ACE2 human receptor. Through Bicycle’s partnership with researchers at the MRC Laboratory of Molecular Biology, Bicycles identified by these screens have demonstrated nanomolar activity in inhibiting SARS-CoV-2 infection of human lung cells. These monomeric Bicycles have been conjugated together to make a diverse range of bi-paratopic and multi-valent small molecules (less than 10kD), some of which are active in the picomolar range in viral entry assays and may be resistant to the current SARS-CoV-2 variants of concern. Bicycle continues to advance these novel compounds in pre-clinical evaluation. Bicycle has also formed partnerships with diagnostic experts to evaluate its novel SARS-CoV-2 binding Bicycles in Lateral Flow Tests and other diagnostic screening formats.