Jones J, Lawrence J, Payne Hallström L, Mantero J, Kirkbride H, Walsh A, Jermacane D, Simons H, Hansford K M, Bennett E, Catchpole M
Travel and Migrant Health Section, Health Protection Services, Colindale, Health Protection Agency now Public Health England, London, United Kingdom.
Euro Surveill. 2013 Aug 8;18(32):20554. doi: 10.2807/1560-7917.es2013.18.32.20554.