1. Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, 119991 Moscow, Russia
2. Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia
3. Centre for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, 119991 Moscow, Russia
4. Biomedical Research and Study Centers, LV-1067 Riga, Latvia
5. Institute of Microbiology and Virology, Riga Stradins University, LV-1007 Riga, Latvia
6. Division of Infectious Diseases, Department of Medicine, University of California, San Francisco, CA 94143, USA
7. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, 171 77 Stockholm, Sweden