In a recent statement, the US deputy health secretary emphasized that federal vaccine guidelines remain flexible and subject to change as new scientific data emerges. The official noted that agencies like the CDC and NIH continuously review evidence, particularly regarding vaccine efficacy and distribution for different age groups and variants. This adaptive approach is part of a broader strategy to align public health recommendations with the latest research, ensuring guidelines are both current and effective. The statement underscores that public health guidance is a dynamic process, evolving in response to ongoing studies and real-world outcomes. Read the full article at: https://www.technologyreview.com/2026/02/13/1132889/us-deputy-health-secretary-vaccine-guidelines-longevity-arpa-h-cdc-nih/