1 Institute of Virology, Helmholtz Center Munich - German Research Center for Environmental Health, Neuherberg, Germany.
2 Chair of Prevention of Microbial Infectious Diseases, Central Institute of Disease Prevention and School of Life Sciences, Technical University of Munich, Freising, Germany.
3 Faculty of Biology, Biocenter, Ludwig Maximilian University of Munich, Planegg-Martinsried, Germany.
4 Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Department Preclinical Medicine, Technical University of Munich, Munich, Germany.
5 Munich Partner Site, German Centre for Infection Research, Munich, Germany.
6 Institute of Virology, Helmholtz Center Munich - German Research Center for Environmental Health, Neuherberg, Germany li.deng@helmholtz-munich.de.