1 Medical Research Council-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1QH, United Kingdom.
2 School of Mathematics and Statistics, College of Science and Engineering, University of Glasgow, G12 8QQ Glasgow, United Kingdom.
3 Boyd Orr Centre for Population and Ecosystem Health, Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom.
4 The Queen Elizabeth University Hospital, National Health Service Greater Glasgow and Clyde, Glasgow G51 4TF, United Kingdom.
5 Public Health, National Health Service Greater Glasgow and Clyde, Glasgow G12 0XH, United Kingdom.
6 Health Protection Scotland, National Health Service National Services Scotland, Glasgow G2 6QE, United Kingdom.
7 West of Scotland Specialist Virology Centre, National Health Service Greater Glasgow and Clyde, Glasgow G31 2ER, United Kingdom.
8 Medical Research Council-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1QH, United Kingdom; [email protected].