Future UK land use policy and the risk of infectious disease in humans, livestock and wild animals

Land Use Policy

Volumn 26, Issue SUPPL. 1, 2009, Pages

  Arinaminpathy, N ^a   McLean, A R ^a   Godfray, H C J ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Epidemiology; Infectious disease; Livestock management; Public health

Indexed keywords

COMPLEXITY; EPIDEMIOLOGY; HEALTH RISK; INFECTIOUS DISEASE; LAND USE CHANGE; LAND USE PLANNING; LIVESTOCK FARMING; POLICY STRATEGY; PUBLIC HEALTH; SPATIAL PLANNING; STRATEGIC APPROACH; WILD POPULATION;

UNITED KINGDOM;

ANIMALIA; VERTEBRATA;

EID: 73249147608     PISSN: 02648377     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.landusepol.2009.08.026     Document Type: Article

References (122)

1. Anderson R.M., and May R.M. Infectious Diseases of Humans: Dynamics and Control (1991), Oxford University Press
2. Baker M., Das D., Venugopal K., and Howden-Chapman P. Tuberculosis associated with household crowding in a developed country. J. Epidemiol. Community Health 62 (2008) 715-721
3. Bartlett M.S. The critical community size for measles in the United States. J. R. Stat. Soc. Ser. A 123 (1960) 37-44
4. Böhm M., White P.C., Chambers J., Smith L., and Hutchings M.R. Wild deer as a source of infection for livestock and humans in the UK. Vet. J. 174 2 (2007) 260-276 (Epub 2007 January 25)
5. Bonilauri P., Bellini R., Calzolari M., Angelini R., Venturi L., Fallacara F., Cordioli P., Angelini P., Venturelli C., Merialdi G., and Dottori M. Chikungunya virus in Aedes albopictus, Italy. Emerg. Infect. Dis. 14 5 (2008) 852-854
6. Bonnefoy X. Inadequate housing and health: an overview. Int. J. Environ. Pollut. 30 3/4 (2007) 411
7. Bouma A., Claassen I., Natih K., Klinkenberg D., Donnelly C.A., Koch G., and van Boven M. Estimation of transmission parameters of H5N1 avian influenza virus in chickens. PLoS Pathog. 5 January (1) (2009) e1000281 (Epub 2009 January 30)
8. Bourne F.J. An Epidemiological Investigation into Bovine Tuberculosis-Towards a Science-based Control Strategy (2005), Defra, London
9. Brown R. Society and Economy in Modern Britain 1700-1850 (1991), Routledge
10. Budke C.M. Global socioeconomic impact of cystic echinococcosis. Emerg. Infect. Dis. 12 2 (2006) 296-303
11. Butynski T.M., and Kalina J. Gorilla tourism: a critical look. In: Milner-Gulland E.J., and Mace R. (Eds). Conservation of Biological Resources (1998), Blackwell Science, Oxford 294-313
12. Canadian Tuberculosis Committee, 2007. Housing conditions that serve as a risk factor for tuberculosis infection and disease. Canada Communicable Disease Reports, vol. 33.
13. Centers for Disease Control and Prevention. Centers for Disease Control and Prevention (CDC). HIV-associated behaviors among injecting-drug users-23 Cities, United States, May 2005-February 2006. MMWR Morb. Mortal. Wkly. Rep. 58 13 (2009) 329-332
14. Chadwick D.C., Fish R., Oliver D.M., Heathwaite A.L., Hodgson C., and Winter M. Management of livestock and their manure to reduce the risk of microbial transfers to water-the case for an interdisciplinary approach. Trends Food Sci. Technol. 19 (2008) 240-247
15. Cohen J. Vaccine policy immunizing kids against flu may prevent deaths among the elderly. Science 306 5699 (2004) 1123
16. Coyle S.L., Needle R.H., and Normand J. Outreach-based HIV prevention for injecting drug users: a review of published outcome data. Public Health Rep. 113 Suppl. 1 (1998) 19-30
17. Cranston P.S., Ramsdale C.D., Snow K.P., and White G.B. Mosquitoes (Culicidae) (1987), Freshwater Biological Association
18. Cunningham A.A., Garner T.W., Aguilar-Sanchez V., Banks B., Foster J., Sainsbury A.W., Perkins M., Walker S.F., Hyatt A.D., and Fisher M.C. Emergence of amphibian chytridiomycosis in Britain. Vet. Rec. 157 13 (2005) 386-387
19. Daszak P., Cunningham A.A., and Hyatt A.D. Emerging infectious diseases of wildlife-threats to biodiversity and human health. Science 287 5452 (2000) 443-449
20. De Vos V., Bengis R.G., Kriek N.P., Michel A., Keet D.F., Raath J.P., and Huchzermeyer H.F. The epidemiology of tuberculosis in free-ranging African buffalo (Syncerus caffer) in the Kruger National Park, South Africa. Onderstepoort J. Vet. Res. 68 2 (2001) 119-130
21. Defra (a). Veterinary Surveillance: A-Z Index of Diseases. Online at http://www.defra.gov.uk/animalh/diseases/vetsurveillance/az_index.htm (accessed 8/7/09).
22. Defra (b). FMD: Comparisons with the 1967 FMD Outbreak. Online at http://www.defra.gov.uk/animalh/diseases/fmd/2001/1967a.htm (accessed 8/7/09).
23. Defra (c). Avian Influenza. Online at http://www.defra.gov.uk/animalh/diseases/notifiable/ai/archive/outbreak-archive.htm (accessed 8/7/09).
24. Defra (d). BSE Statistics. Online at http://www.defra.gov.uk/animalh/Bse/statistics/index.html (accessed 8/7/09).
25. Defra (e). Biosecurity for Poultry Keepers. Online at www.defra.gov.uk/farm/livestock/biosecurity/index.htm (accessed 8/7/09).
26. Defra, 2001. 'Managing Livestock Manures' information booklets. See http://www.defra.gov.uk/farm/environment/land-manage/fertilisers.htm.
27. Defra/DCMS, 2002. Economic cost of foot and mouth disease in the UK. See http://archive.cabinetoffice.gov.uk/fmd/fmd_report/documents/D-GovtPublications/DEFRA_DCMS.pdf.
28. Defra, 2007. Zoonoses Report. Online at http://www.defra.gov.uk/animalh/diseases/zoonoses/reports.htm (accessed 8/7/09).
29. Department of Health, 2002. Health Effects of Climate Change in the UK. Online at http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_4007935 (accessed 8/7/09).
30. Department of Health, 2008. Health Effects of Climate Change in the UK 2008: An Update. Online at http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_080702 (accessed 8/7/09).
31. Doel T.R., Williams L., and Barnett P.V. Emergency vaccination against foot-and-mouth disease: rate of development of immunity and its implications for the carrier state. Vaccine 12 7 (1994) 592-600
32. Dobson M.J. Contours of Death and Disease in Early Modern England (2003), Cambridge University Press, Cambridge
33. Dorner S.M., Anderson W.B., Slawson R.M., Kouwen N., and Huck P.M. Hydrologic modelling of pathogen fate and transport. Environ. Sci. Technol. 40 15 (2006) 4746-4753
34. Eurydice, 2005. Key Data on Education in Europe 2005. See http://eacea.ec.europa.eu/portal/page/portal/Eurydice/FigurePage?pubid=052EN&figCode=052B11.
35. Fong T.T., Griffin D.W., and Lipp E.K. Molecular assays for targeting human and bovine enteric viruses in coastal waters and their application for library-independent source tracking. Appl. Environ. Microbiol. 71 4 (2005) 2070-2078
36. Food and Rural Affairs, 2001. Foot and Mouth Disease: Lessons to be Learned Inquiry Report. Online at http://archive.cabinetoffice.gov.uk/fmd/fmd_report/report/index.htm (accessed 8/7/09).
37. Fooks A.R., McElhinney L.M., Pounder D.J., Finnegan C.J., Mansfield K., Johnson N., Brookes S.M., Parsons G., White K., McIntyre P.G., and Nathwani D. Case report: isolation of a European bat lyssavirus type 2a from a fatal human case of rabies encephalitis. J. Med. Virol. 71 2 (2003) 281-289
38. Ford J.S., and Myers R.A. A global assessment of salmon aquaculture impacts on wild salmonids. PLoS Biol. 6 February (2) (2008) e33
39. Githeko A.K., Lindsay S.W., Confalonieri U.E., and Patz J.A. Climate change and vector-borne diseases: a regional analysis. Bull. World Health Organ. 78 9 (2000) 1136-1147
40. Gold H.S., and Moellering R.C. Antimicrobial-drug resistance. N. Engl. J. Med. 335 19 (1996) 1445-1453
41. Greenwood B., and Mutabingwa T. Malaria in 2002. Nature 415 6872 (2002) 670-672
42. Grenfell B.T., Bjørnstad O.N., and Kappey J. Travelling waves and spatial hierarchies in measles epidemics. Nature 414 6865 (2001) 716-723
43. Haydon S., and Deletic A. Development of a coupled pathogen-hydrologic catchment model. J. Hydrol. 328 3-4 (2006) 467-480
44. Hayes E.B., Komar N., Nasci R.S., Montgomery S.P., O'Leary D.R., and Campbell G.L. Epidemiology and transmission dynamics of West Nile virus disease. Emerg. Infect. Dis. 11 8 (2005) 1167-1173
45. Health Protection Agency (a). Asian Tiger Mosquito. Online at http://www.hpa.org.uk/webw/HPAweb&Page&HPAwebAutoListName/Page/1191942145083?p=1191942145083 (accessed 8/7/09).
46. Health Protection Agency (b). Epidemiology of Lyme borreliosis in the UK. Online at http://www.hpa.org.uk/webw/HPAweb&HPAwebStandard/HPAweb_C/1195733752250?p=1160495617097 (accessed 8/7/09).
47. Health Protection Agency (c). Gastrointestinal Disease. Online at http://www.hpa.org.uk/web/HPAweb&HPAwebStandard/HPAweb_C/1195733739285 (accessed 8/7/09).
48. Health Protection Agency (d). Leptospirosis and Weil's Disease. Online at http://www.hpa.org.uk/web/HPAweb&HPAwebStandard/HPAweb_C/1195733804526 (accessed 8/7/09).
49. Health Protection Agency (e). Measles. Online at http://www.hpa.org.uk/web/HPAweb&Page&HPAwebAutoListName/Page/1191942172782 (accessed 8/7/09).
50. Health Protection Agency, 2006a. A Complex Picture: HIV & Other Sexually Transmitted Infections in the United Kingdom. Online at http://www.hpa.org.uk/webw/HPAweb&HPAwebStandard/HPAweb_C/1196942145471?p=1158945066450 (accessed 8/7/09).
51. Health Protection Agency, 2006b. Migrant Health. Infectious Diseases in Non-UK Born Populations in England, Wales and Northern Ireland. A Baseline Report-2006. Online at http://www.hpa.org.uk/web/HPAweb&HPAwebStandard/HPAweb_C/1201767921328 (accessed 8/7/09).
52. Health Protection Agency, 2008. The Human Animal Infections and Risk Surveillance (HAIRS) Group First Report 2004-2007. Online at http://www.hpa.org.uk/webw/HPAweb&Page&HPAwebAutoListName/Page/1206575051338?p=1206575051338 (accessed 8/7/09).
53. Heuvelink A.E., van Heerwaarden C., Zwartkruis-Nahuis J.T., van Oosterom R., Edink K., van Duynhoven Y.T., and de Boer E. Escherichia coli O157 infection associated with a petting zoo. Epidemiol. Infect. 129 2 (2002) 295-302
54. Ho M.S., and Su I.J. Preparing to prevent severe acute respiratory syndrome and other respiratory infections. Lancet Infect. Dis. 4 11 (2004) 684-689
55. Horn, G., Bobrow, M., Bruce, M., Goedert, M., McLean, A., Webster, J., 2001. Review of the Origin of BSE. Report for the Department for Environment, Food and Rural Affairs and the Department of Health, pp. 1-66.
56. Howie H., Mukerjee A., Cowden J., Leith J., and Reid T. Investigation of an outbreak of Escherichia coli O157 infection caused by environmental exposure at a scout camp. Epidemiol. Infect. 131 3 (2003) 1063-1069
57. Hudson P., Rizzoli A., Grenfell B., Heesterbeek H., and Dobson A. The Ecology of Wildlife Diseases (2002), Oxford University Press, Oxford
58. Hudson P.J., Dobson A.P., and Lafferty K.D. Is a healthy ecosystem one that is rich in parasites?. Trends Ecol. Evol. 21 7 (2006) 381-385 (Epub 2006 May 18)
59. IUCN, 2008. The IUCN Red List of Threatened Species. Online at http://www.iucnredlist.org/ (accessed 8/7/09).
60. Jansen V.A., Stollenwerk N., Jensen H.J., Ramsay M.E., Edmunds W.J., and Rhodes C.J. Measles outbreaks in a population with declining vaccine uptake. Science 301 5634 (2003) 804
61. Knudsen A.B. Global distribution and continuing spread of Aedes albopictus. Parasitologia 37 2-3 (1995) 91-97
62. Krebs J.R. Bovine Tuberculosis in Cattle and Badgers (1997), HMSO, London
63. Krkosek M., Ford J.S., Morton A., Lele S., Myers R.A., and Lewis M.A. Declining wild salmon populations in relation to parasites from farm salmon. Science 318 5857 (2007) 1772-1775
64. Lanciotti R.S., Roehrig J.T., Deubel V., Smith J., Parker M., Steele K., Crise B., Volpe K.E., Crabtree M.B., Scherret J.H., Hall R.A., MacKenzie J.S., Cropp C.B., Panigrahy B., Ostlund E., Schmitt B., Malkinson M., Banet C., Weissman J., Komar N., Savage H.M., Stone W., McNamara T., and Gubler D.J. Origin of the West Nile virus responsible for an outbreak of encephalitis in the northeastern United States. Science 286 5448 (1999) 2333-2337
65. Levin S.A., Grenfell B., Hastings A., and Perelson A.S. Mathematical and computational challenges in population biology and ecosystems science. Science 275 5298 (1997) 334-343
66. Lloyd-Smith J.O., Schreiber S.J., Kopp P.E., and Getz W.M. Superspreading and the effect of individual variation on disease emergence. Nature 438 7066 (2005) 355-359
67. Lumio J., Hillbom M., Roine R., Ketonen L., Haltia M., Valle M., Neuvonen E., and Lähdevirta J. Human rabies of bat origin in Europe. Lancet 1 8477 (1986) 378
68. Mackay D., Parida S., Paton D., and Anderson J. Making a vaccinate-to-live policy a reality in foot-and-mouth disease. Dev. Biol. 119 (2004) 261-266
69. Marshall E.J.P., and Moonen A.C. Field margins in northern Europe: their functions and interactions with agriculture. Agric. Ecosyst. Environ. 89 (2002) 5-21
70. Mastroeni P., Chabalgoity J.A., Dunstan S.J., Maskell D.J., and Dougan G. Salmonella: immune responses and vaccines. Vet. J. 161 2 (2001) 132-164
71. Matuschka F.R., Endepols S., Richter D., and Spielman A. Competence of urban rats as reservoir hosts for Lyme disease spirochetes. J. Med. Entomol. 34 4 (1997) 489-493
72. May R.M., and Anderson R.M. Spatial heterogeneity and the design of immunization programmes. Math. Biosci. 72 1 (1984) 83-111
73. Mayor S. Link between H5N1 in UK and recent outbreaks in Hungary is investigated. BMJ 334 7589 (2007) 335
74. McCallum H., and Jones M. To lose both would look like carelessness: Tasmanian Devil facial tumour disease. PLoS Biol. 4 10 (2006) e342
75. McCallum, et al. Estimating the transmission rate of Tasmanian Devil facial tumour disease. Epidemics: First International Conference on Infectious Disease Dynamics. December 2008 (2008)
76. McLean A.R., May R.M., Pattison J., and Weiss R.A. SARS: A Case Study in Emerging Infections (2005), Oxford University Press
77. McNeill W.H. Plagues and Peoples (1977), Anchor Books, New York, USA
78. Molinari N.A., Ortega-Sanchez I.R., Messonnier M.L., Thompson W.W., Wortley P.M., Weintraub E., and Bridges C.B. The annual impact of seasonal influenza in the US: measuring disease burden and costs. Vaccine 25 27 (2007) 5086-5096 (Epub 2007 April 20)
79. Monath T.P. Yellow fever: an update. Lancet Infect. Dis. 1 1 (2001) 11-20
80. Mourato, S., Georgiou, S., Ozdemiroglu, E., Newcombe, J., Howarth, A., 2003. Bathing water revisions: what are the benefits to England and Wales? A stated preference study. CSERGE Working Paper ECM 03-12. University of East Anglia, p. 39.
81. Nguyen-Van-Tam J.S., and Hampson A.W. The epidemiology and clinical impact of pandemic influenza. Vaccine 21 16 (2003) 1762-1768
82. NHS Tick-borne Encephalitis. Online at http://www.nhs.uk/Conditions/Tick-borne-encephalitis/Pages/Introduction.aspx (accessed 8/7/09).
83. Office for National Statistics, 2008. Population Trends. Online at: http://www.statistics.gov.uk/downloads/theme_population/Population-Trends-134.pdf (accessed 8/7/09).
84. Oliver D.M., Heathwaite A.L., Chadwick D., and Hodson C. Mitigation and current management attempts to limit pathogen survival and movement within farmed grassland. Adv. Agron. 93 (2007) 95-152
85. Onnela J.P., Saramäki J., Hyvönen J., Szabó G., Lazer D., Kaski K., Kertész J., and Barabási A.L. Structure and tie strengths in mobile communication networks. Proc. Natl. Acad. Sci. U.S.A. 104 18 (2007) 7332-7336 (Epub 2007 April 24)
86. Overton M. Agricultural Revolution in England: The Transformation of the Agrarian Economy 1500-1850 (1996), Cambridge University Press, Cambridge
87. Philipp R., King C., and Hughes A. Understanding of Weil's disease among canoeists. Br. J. Sports Med. 26 (1992) 223-227
88. Potocnik J. Renewable energy sources and the realities of setting an energy agenda. Science 315 (2007) 810-811
89. Pointer, G., 2005. Focus on People and Migration: The UK's Major Urban Areas. See http://www.statistics.gov.uk/downloads/theme_compendia/fom2005/03_FOPM_UrbanAreas.pdf.
90. Pretty, J.N., 1997. The sustainable intensification of agriculture. Natural resources forum 21 (44), pp. 247-256, Blackwell, Oxford, UK.
91. Randall D.A., Marino J., Haydon D.T., Sillero-Zubiri C., Knobel D.L., Tallents L.A., Macdonald D.W., and Laurenson M.K. An integrated disease management strategy for the control of rabies in Ethiopian wolves. Biol. Conserv. 131 2 (2006) 151-162
92. Randolph S.E. Perspectives on climate change impacts on infectious diseases. Ecology 90 4 (2009) 927-931
93. Randolph S.E. The shifting landscape of tick-borne zoonoses: tick-borne encephalitis and Lyme borreliosis in Europe. Philos. Trans. R. Soc. Lond. B Biol. Sci. 356 1411 (2001) 1045-1056
94. Randolph S.E. Evidence that climate change has caused 'emergence' of tick-borne diseases in Europe?. Int. J. Med. Microbiol. 293 Suppl. 37 (2004) 5-15
95. Rangel J.M., Sparling P.H., Crowe C., Griffin P.M., and Swerdlow D.L. Epidemiology of Escherichia coli O157:H7 outbreaks, United States, 1982-2002. Emerg. Infect. Dis. 11 4 (2005)
96. Read J.M., Eames K.T., and Edmunds W.J. Dynamic social networks and the implications for the spread of infectious disease. J. R. Soc. Interface 5 26 (2008) 1001-1007
97. Ribbens S., Dewulf J., Koenen F., Mintiens K., De Sadeleer L., de Kruif A., and Maes D. A survey on biosecurity and management practices in Belgian pig herds. Prev. Vet. Med. 83 3-4 (2008) 228-241 (Epub 2007 September 11)
98. Roberts D. Rural change and the impact of foot and mouth disease. Countryside Recreat. 9 3/4 (2001) 4-8
99. Rogers D.J., and Randolph S.E. Studying the global distribution of infectious diseases using GIS and RS. Nat. Rev. Microbiol. 1 3 (2003) 231-237
100. Saker, L., Lee, K., Cannito, B., Gilmore, A., Campbell-Lendrum, D., 2004. Globalization and infectious diseases: a review of the linkages. Social, Economic and Behavioural Research. Special Topics No.3. Online at: http://www.who.int/tdr/svc/publications/tdr-research-publications/globalization-infectious-diseases (accessed 8/7/09).
101. Schmidhuber J., and Tubiello F.N. Global food security under climate change. Proc. Natl. Acad. Sci. U.S.A. 104 50 (2007) 19703-19708 (Epub 2007 December 6)
102. Schuffenecker I., Iteman I., Michault A., Murri S., Frangeul L., Vaney M.C., Lavenir R., Pardigon N., Reynes J.M., Pettinelli F., Biscornet L., Diancourt L., Michel S., Duquerroy S., Guigon G., Frenkiel M.P., Bréhin A.C., Cubito N., Desprès P., Kunst F., Rey F.A., Zeller H., and Brisse S. Genome Microevolution of Chikungunya Viruses Causing the Indian Ocean Outbreak. PLoS Med. 3 7 (2006) e263
103. Simberloff D. The contribution of population and community biology to conservation science. Ann. Rev. Ecol. Syst. 19 (1988) 473-511
104. Simpson V.R. Wild animals as reservoirs of infectious disease in the UK. Vet. J. 163 2 (2002) 128-146
105. Smith K.F., Acevedo-Whitehouse K., and Pedersen A.B. The role of infectious diseases in biological conservation. Anim. Conserv. 12 1 (2009) 1-12
106. Smith R.D. Responding to global infectious disease outbreaks: lessons from SARS on the role of risk perception, communication and management. Social Sci. Med. 63 12 (2006) 3113-3123
107. Smith R., O'Connell S., and Palmer S. Lyme disease surveillance in England and Wales, 1986-1998. Emerg. Infect. Dis. 6 4 (2000) 404-407
108. Stallknecht D.E. Impediments to wildlife disease surveillance, research, and diagnostics. Curr. Top. Microbiol. Immunol. 315 (2007) 445-446
109. Stirling J., Griffith M., Dooley J.S., Goldsmith C.E., Loughrey A., Lowery C.J., McClurg R., McCorry K., McDowell D., McMahon A., Millar B.C., Rao J., Rooney P.J., Snelling W.J., Matsuda M., and Moore J.E. Zoonoses associated with petting farms and open zoos. Vector Borne Zoonotic Dis. 8 1 (2008) 85-92
110. Stuart S.N., Chanson J.S., Cox N.A., Young B.E., Rodrigues A.S., Fischman D.L., and Waller R.W. Status and trends of amphibian declines and extinctions worldwide. Science 306 5702 (2004) 1783-1786 (Epub 2004 October 14)
111. Sumilo D., Bormane A., Asokliene L., Vasilenko V., Golovljova I., Avsic-Zupanc T., Hubalek Z., and Randolph S.E. Socio-economic factors in the differential upsurge of tick-borne encephalitis in Central and Eastern Europe. Rev. Med. Virol. 18 2 (2008) 81-95
112. Tatem A.J., Hay S.I., and Rogers D.J. Global traffic and disease vector dispersal. Proc. Natl. Acad. Sci. U.S.A. 103 16 (2006) 6242-6247 (Epub 2006 April 10)
113. Teach First Report, 2007. Lessons from the Front. See: http://www.teachfirst.org.uk/DownloadRepository/119498585504.pdf.
114. Tompkins D.M., Greenman J.V., Robertson P.A., and Hudson P.J. The role of shared parasites in the exclusion of wildlife hosts: Heterakis gallinarum in the ring-necked pheasant and the grey partridge. J. Anim. Ecol. 69 5 (2000) 829-840
115. Tompkins D.M., Greenman J.V., and Hudson P.J. Differential impact of a shared nematode parasite on two gamebird hosts: implications for apparent competition. Parasitology 122 Pt 2 (2001) 187-193
116. UK BAP (Biodiversity Action Plan) Website. Online at http://www.ukbap.org.uk/ (accessed 8/7/09).
117. UK BAP Species Action Plan. Grey Partridge. Online at: http://www.ukbap.org.uk/UKPlans.aspx?ID=506 (accessed 8/7/09).
118. United Nations, 2007. World Urbanization Prospects: The 2007 Revision. Online at http://www.un.org/esa/population/publications/wup2007/2007WUP_Highlights_web.pdf (accessed 8/7/09).
119. Watts D.J., and Strogatz S.H. Collective dynamics of 'small-world' networks. Nature 393 6684 (1998) 440-442
120. World Health Organisation, 2006a. Avian Influenza-Epidemiology of Human H5N1 Cases Reported to WHO. Online at http://www.who.int/csr/don/2006_06_30/en/index.html (accessed 8/7/09).
121. World Health Organisation, 2006b. Malaria Control: The Power of Integrated Action. World Health Organization, Geneva. Online at http://www.who.int/heli/risks/vectors/malariacontrol/en/print.html (accessed 8/7/09).
122. Young K.T., Davis L.M., and DiRita V.J. Campylobacter jejuni: molecular biology and pathogenesis. Nat. Rev. Microbiol. 5 (2007) 665-679