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FDA Approves Moderna’s mNEXSPIKE for Seniors and High-Risk Adults as CDC Drops Recommendations for Healthy Children and Pregnant Women

Moderna plans to roll out the shot ahead of the 2025–26 respiratory season

Overview

  • The FDA clearance, based on a randomized Phase 3 trial of over 11,400 participants, designates mNEXSPIKE for adults 65 and older and for 12- to 64-year-olds with CDC-defined risk factors.
  • In trial comparisons with Spikevax, mNEXSPIKE showed 9.3% higher relative efficacy in people 12 and older and a 13.5% boost in those aged 65 and above.
  • Unlike earlier mRNA vaccines, mNEXSPIKE can be stored at standard refrigerator temperatures, improving its logistical viability for broader distribution.
  • The CDC has removed routine COVID-19 vaccine recommendations for healthy children and pregnant women, though shared clinical decision-making remains an option.
  • This is the first COVID-19 shot approved under tightened FDA standards that mandate placebo-controlled studies and require Moderna to conduct post-market safety and efficacy trials.