@inproceedings{retrospectiveanalysisofsarscov2omicron,
  title = {Retrospective analysis of SARS-CoV-2 omicron invasion over delta in French regions in 2021-22: a status-based multi-variant model},
  author = {Thomas Haschka and Elisabeta Vergu and Benjamin Roche and Chiara Poletto and Lulla Opatowski},
  year = {2022},
  booktitle = {BMC Infectious Diseases 2022 11},
  url = {https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-022-07821-5},
}