Research
Acknowledgments
We are grateful to Uwe Truyen from the Institute for Animal Hygiene and Veterinary Public Health, University of Leipzig, for advice, providing the challenge strains, and performing all virological assays.
We are grateful to Uwe Truyen from the Institute for Animal Hygiene and Veterinary Public Health, University of Leipzig, for advice, providing the challenge strains, and performing all virological assays.