Andersson Monique, Low Nicola, French Neil, Greenhalgh Trisha, Jeffery Katie, Brent Andrew, Ball Jonathan, Pollock Allyson, McCoy David, Iturriza-Gomara Miren, Buchan Iain, Salisbury Helen, Pillay Deenan, Irving Will
Department of Microbiology, John Radcliffe Hospital, Oxford OX3 9DU, UK.
Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.
BMJ. 2020 Jun 24;369:m2420. doi: 10.1136/bmj.m2420.