Rsouth Antibodies has developed a therapeutic antibody for Respiratory Syncytial Virus (RSV) that has been licensed to MedImmune (now AstraZeneca). AstraZeneca has finalized clinical validation and obtained regulatory approval for this antibody that is now marketed by Sanofi as Nirsevimab for prevention of RSV in infants. Since RSV infection have been on the rise again since 2022, many lives have already been saved by treatment with Nirsevimab.