Speck, P.Mackenzie, J.Bull, R.A.Slobedman, B.Drummer, H.Fraser, J.Herrero, L.Helbig, K.Londrigan, S.Moseley, G.Prow, N.Hansman, G.Edwards, R.Ahlenstiel, C.Abendroth, A.Tscharke, D.Hobson-Peters, J.Kriiger-Loterio, R.Parry, R.Marsh, G.et al.2023-05-262023-05-262023Journal of Virology, 2023; 97(5):1-30022-538X1098-5514https://hdl.handle.net/2440/138528Letter to the Editor. Published 25 April 2023en© 2023 Speck et al. This is an openaccess article distributed under the terms of the Creative Commons Attribution 4.0 International license.COVID-19SARS-CoV2biosafetycoronavirusgain of functionpandemiczoonosisJournal article10.1128/jvi.00451-232023-05-26641955Warner, M. [0000-0002-4053-1610]Beard, M. [0000-0002-4106-1016]Johnson, S.M.R. [0000-0002-4208-0075]