.Publisheru00e2 $ s take note Springer Attribute stays neutral when it come to supervisory claims in posted charts as well as institutional affiliations.This is a review of: Smith, D. R. M. et al. Wellness and economic effects of Lassa inoculation campaigns in West Africa. Nat. Med. https://doi.org/10.1038/s41591-024-03232-y (2024 ).