About the Authors

Solomon Ghebremichael

Affiliations Department of Bacteriology, Swedish Institute for Infectious Disease Control, Solna, Sweden, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden

Ramona Groenheit

Affiliations Department of Bacteriology, Swedish Institute for Infectious Disease Control, Solna, Sweden, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden

Alexandra Pennhag

Affiliation Department of Bacteriology, Swedish Institute for Infectious Disease Control, Solna, Sweden

Tuija Koivula

Affiliations Center for Microbiological Preparedness, Swedish Institute for Infectious Disease Control, Solna, Sweden, Department of Clinical Science and Education, Karolinska Institutet, Södersjukhuset, Stockholm, Sweden

Emmi Andersson

Affiliation Unit of Clinical Microbiology, (F68), Karolinska University Hospital at Huddinge, Stockholm, Sweden

Judith Bruchfeld

Affiliation Infectious Diseases Unit, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden

Sven Hoffner

Affiliation Department of Bacteriology, Swedish Institute for Infectious Disease Control, Solna, Sweden

Victoria Romanus

Affiliation Department of Epidemiology, Swedish Institute for Infectious Disease Control, Solna, Sweden

Gunilla Källenius

gunilla.kallenius@ki.se

Affiliation Department of Clinical Science and Education, Karolinska Institutet, Södersjukhuset, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GK. Performed the experiments: SG RG AP. Analyzed the data: SG RG TK EA JB SH VR GK. Contributed reagents/materials/analysis tools: TK JB VR. Wrote the paper: SG RG TK JB GK.