1. Health protection agency. Foreign travel-associated illness, England, Wales, and Northern Ireland. Annual Report 2005. London: Health Protection Agency Centre for Infections; 2005.
2. Association of British Travel Agents. Travel statistics and trends 2005. London: 2005.
3. Consequences of failure to use malaria prophylaxis in The Gambia;Commun Dis Rep CDR Wkly,2003
4. Risk of malaria in British residents returning from malarious areas;Phillips-Howard;Br Med J,1990
5. Malaria risk in travelers;Askling;Emerg Infect Dis,2005