About the Authors

Erik Schaftenaar

Affiliations Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands, Anova Health Institute, Johannesburg and Tzaneen, South Africa

Georges M. G. M. Verjans

Affiliation Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands

Sarah Getu

Affiliation Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands

James A. McIntyre

Affiliations Anova Health Institute, Johannesburg and Tzaneen, South Africa, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa

Helen E. Struthers

Affiliations Anova Health Institute, Johannesburg and Tzaneen, South Africa, Department of Medicine, Division of Infectious Diseases & HIV Medicine, University of Cape Town, Cape Town, South Africa

Albert D. M. E. Osterhaus

Affiliation Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands

Remco P. H. Peters

rph.peters@gmail.com

Affiliations Anova Health Institute, Johannesburg and Tzaneen, South Africa, Department of Medical Microbiology, Maastricht University Medical Centre, Maastricht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ES GMGMV ADMEO RPHP. Performed the experiments: ES SG. Analyzed the data: ES GMGMV RPHP. Contributed reagents/materials/analysis tools: ES GMGMV SG ADMEO RPHP. Wrote the paper: ES GMGMV JAM HES ADMEO RPHP.