Merck's shot will compete against a similar blockbuster treatment from Sanofi and AstraZeneca called Beyfortus.

The United States could soon have another tool in the fight against respiratory syncytial virus, an illness that’s the No. 1 ...

Clesrovimab has been held up by MSD (known as Merck & Co in the US and Canada) as offering simpler dosing and better clinical ...

One day before the potential FDA approval of a rival respiratory syncytial virus (RSV) monoclonal antibody from Merck & Co., ...

Merck won FDA approval for a shot that protects against RSV, the most common cause of hospitalization among infants ...

Merck (NYSE:MRK) has received FDA approval for Enflonsia, a prophylactic antibody therapy designed to protect infants from ...

Meanwhile, Sanofi has pointed to Beyfortus’ 75% reduction in the incidence of MALRI versus Enflosia’s figure of 60%. The ...

French drugmaker Sanofi SA (NASDAQ:SNY) on Monday said it is shipping Beyfortus (nirsevimab) starting in early Q3 to ensure ...

Merck’s Enflonsia will go up against Sanofi and AstraZeneca’s Beyfortus, which the partners plan to ship out early in the ...

MRK wins early FDA approval for RSV antibody Enflonsia in infants, with U.S. launch planned before the 2025-26 season.

Paris, June 9, 2025. Sanofi is shipping Beyfortus (nirsevimab) starting in early Q3 to ensure broad availability well ahead of the 2025-2026 respiratory syncytial virus (RSV) season, which ...

The Food and Drug Administration on Monday approved Merck's shot designed to protect infants from respiratory syncytial virus during their first season of the virus, bringing to market a rival to ...