To cite package ‘vaccinationimpact’ in publications use:

  Mansiaux Y, Blake A, Humphreys J, Nunes B (2026). _vaccinationimpact:
  Impact Study of Vaccination Campaigns_. R package version 0.1.0,
  <https://github.com/epiconcept-paris/vaccinationimpact>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vaccinationimpact: Impact Study of Vaccination Campaigns},
    author = {Yohann Mansiaux and Alexandre Blake and James Humphreys and Baltazar Nunes},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/epiconcept-paris/vaccinationimpact},
  }