Moderna's COVID Shot Gets a Makeover Is This the Future of Boosters?

FDA approves Moderna’s new lower-dose COVID-19 vaccine - AP News

FDA Greenlights Moderna's Lower-Dose COVID-19 Vaccine: A New Option for Vulnerable Populations

In a move signaling an evolution in COVID-19 vaccination strategies, the U.S. Food and Drug Administration (FDA) has approved Moderna's new COVID-19 vaccine, mNexspike. This announcement, made late Friday, introduces a tailored approach, offering a different path forward compared to the company's widely used existing vaccine, Spikevax. However, it's important to note that this isn't a replacement, but rather an additional tool in our arsenal.


What Makes mNexspike Different?

mNexspike represents a step towards next-generation coronavirus vaccines. Its key characteristic lies in its formulation, which allows for a significantly lower dose – just one-fifth of the dose used in Moderna’s original Spikevax vaccine. This reduction is achieved through a refined targeting of the immune response.


“The approval adds an important new tool to help protect people at high risk of severe disease from COVID-19,” stated Moderna’s CEO, Stephane Bancel, on Saturday.


Who is Eligible?

The FDA has approved mNexspike for specific populations:

  • All adults aged 65 and older.
  • Individuals aged 12 to 64 who have at least one health condition that increases their risk of severe illness from COVID-19.

This targeted approval mirrors the FDA's approach to Novavax's COVID-19 vaccine, marking a shift from the broader vaccine access previously seen in the U.S.


Why the Restrictions?

These limitations reflect ongoing discussions and perspectives from various health officials. It's a departure from previous COVID-19 vaccine rollouts. Moderna’s existing vaccine, Spikevax, remains available without these restrictions for anyone aged 6 months and older. The company anticipates offering both options this fall, providing healthcare providers and individuals with choices tailored to their specific needs.


Clinical Trial Data:

The FDA’s decision was supported by a study involving 11,400 participants aged 12 and older. The study compared mNexspike to Moderna’s original vaccine and found the new vaccine to be:

  • Safe
  • At least as effective as Spikevax – and, in some measures, even more so.

Funding Cut for Flu Vaccine Development: A Concerning Development

In a contrasting turn of events, the Trump administration recently canceled funding for Moderna's development of a vaccine against potential pandemic flu viruses, including the H5N1 bird flu. This decision came despite promising early results, raising concerns about preparedness for future pandemic threats. The implications of this funding cut on future public health initiatives remain to be seen.


The approval of Moderna's mNexspike vaccine represents a nuanced step forward in our ongoing fight against COVID-19. By offering a lower-dose option for specific, vulnerable populations, it acknowledges the evolving landscape of the pandemic and the need for tailored solutions. While the future of pandemic preparedness faces uncertainties, this approval provides a renewed sense of hope and a testament to the continued innovation in vaccine technology. It serves as a reminder of the importance of ongoing research and development in protecting public health.


Note: The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.


Tags: COVID-19 vaccine, Moderna, mNexspike, FDA approval, vaccine limits, high risk, older adults, Novavax, U.S. news, coronavirus, public health, vaccine development

Source: https://apnews.com/article/covid19-moderna-vaccine-fda-84293ee6799dfbbe4e66dce06022afae

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