Acknowledgements We want to thank for excellent technical assistance in diagnostic and validation lab work: Juliane Breitenberger, Jasmin Fräßdorf, Christine Hartberger, Sabine Lohrer, Linda Ploß, and all others who contributed to sample and lab logistics, especially the Task Force Infectious Diseases at the LGL and the local public health authorities. Dedication We dedicate this publication to Andreas Zapf, President of the Bavarian LGL and long-term supporter of Public Health Microbiology, on the occasion of his 60th birthday.