US Health and Human Services is “winding down” its mRNA vaccine development and will instead fund other vaccine platforms through the Biomedical Advanced Research and Development Authority, the agency said Tuesday.

The Department of Health and Human Services is canceling the development of 22 mRNA vaccines, citing a lack of efficacy for preventing respiratory viruses like the flu and COVID-19. The department issued a press release late Tuesday announcing a “coordinated wind-down” of mRNA vaccine development under the Biomedical Advanced Research and Development Authority,