1. Institute for Hygiene and Microbiology, University of Wuerzburg, Wuerzburg, Germany
2. Department of Pediatrics, University Hospital Wuerzburg, Wuerzburg, Germany
3. Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
4. Institute of Clinical Epidemiology and Biometry, University of Wuerzburg, Wuerzburg, Germany
5. Department of General Practice, University Hospital Wuerzburg, Wuerzburg, Germany
6. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Wuerzburg, Wuerzburg, Germany
7. Institute for Virology and Immunobiology, University of Wuerzburg, Wuerzburg, Germany
8. Clinical Trial Center Wuerzburg, University Hospital Wuerzburg, Wuerzburg, Germany
9. for the Wü-KiTa-CoV Study Group