THURSDAY, May 8, 2025 (HealthDay News) — A new vaccine that combines flu and COVID ... Moderna said it now expects that approval of the shot may not come until 2026. “I agree in this case ...

The mRNA technology is used in approved COVID-19 and RSV shots, but has not yet been approved for a flu shot. Moderna believes ... “I agree in this case with FDA that efficacy data are important ...