Pfizer Inc. is expanding its investment in the competitive race to bring treatments to market for respiratory syncytial virus (RSV), with the acquisition of ReViral Ltd. for up to $525m, announced on 7 April. Pfizer already is in late-stage development with a potential vaccine for RSV but will gain a Phase II antiviral that could be a treatment for both children and adults with the respiratory virus, which can cause hospitalization and death.
The strategy mirrors the approach Pfizer has pursued in COVID-19, with the development of the vaccine Comirnaty and the oral...








