1. Clinical Research Unit, Department of Medicine Swiss Tropical and Public Health Institute Basel Switzerland
2. University of Basel Basel Switzerland
3. Department of Infectious Diseases and Hospital Epidemiology University Hospital Basel Basel Switzerland
4. SolidarMed, Partnerships for Health Butha‐Buthe Lesotho
5. Laboratory Services St Charles Mission Hospital, Seboche Butha‐Buthe Lesotho
6. SolidarMed, Partnerships for Health Lucerne Switzerland
7. Molecular Virology, Department of Biomedicine University of Basel Basel Switzerland