- Correspondence to Dr Lucy Jane Bock, National Infection Service, Public Health England, Salisbury SP4 0JG, UK;
- Received August 9, 2018
- Revised December 27, 2018
- Accepted January 4, 2019
- First published January 31, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.