Atea Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company. The Company is focused on discovering, developing and commercializing oral antiviral therapies to address the unmet medical needs of patients with serious viral infections. The Company has built a proprietary nucleos(t)ide prodrug platform to develop product candidates to treat single-stranded ribonucleic acid (ssRNA) viruses, which are a prevalent cause of serious viral diseases. The Company’s lead program and focus is on the development of the regimen of bemnifosbuvir, a nucleotide analog polymerase inhibitor, and ruzasvir, an investigational, potent, small-molecule inhibitor of hepatitis C virus (HCV) non-structural protein 5A (NS5A), an essential protein for HCV replication. Bemnifosbuvir is an investigational, orally administered guanosine nucleotide double prodrug which targets the HCV non-structural protein 5B (NS5B) RNA-dependent RNA polymerase and inhibits HCV replication.