About the Authors

Marianne Lebbad, Silvia Botero-Kleiven
Department of Diagnostics and Vaccinology, Swedish Institute for Communicable Disease Control, Solna, Sweden

Marianne Lebbad, Staffan G. Svärd
Microbiology and Tumor Biology Centre, Karolinska Institutet, Stockholm, Sweden

Ingvor Petersson, Bo Svenungsson
Department of Communicable Disease Control and Prevention, Stockholm County Council, Stockholm, Sweden

Lillemor Karlsson
Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden

Jan O. Andersson
Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Staffan G. Svärd
Department of Cell and Molecular Biology, Uppsala University, Uppsala, Sweden

Corresponding Author

Staffan.svard@icm.uu.se

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ML JOA BS SB-K SGS. Performed the experiments: ML IP LK JOA. Analyzed the data: ML IP SB-K JOA BS SGS. Contributed reagents/materials/analysis tools: ML LK IP JOA BS. Wrote the paper: ML JOA BS SGS.