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International population movements and regional Plasmodium falciparum malaria elimination strategies

International population movements and regional Plasmodium falciparum malaria elimination strategies
International population movements and regional Plasmodium falciparum malaria elimination strategies
Calls for the eradication of malaria require the development of global and regional strategies based on a strong and consistent evidence base. Evidence from the previous global malaria eradication program and more recent transborder control campaigns have shown the importance of accounting for human movement in introducing infections to areas targeted for elimination. Here, census-based migration data were analyzed with network analysis tools, Plasmodium falciparum malaria transmission maps, and global population databases to map globally communities of countries linked by relatively high levels of infection movements. The likely principal sources and destinations of imported cases in each region were also mapped. Results indicate that certain groups of countries, such as those in West Africa and central Asia are much more strongly connected by relatively high levels of population and infection movement than others. In contrast, countries such as Ethiopia and Myanmar display significantly greater isolation in terms of likely infection movements in and out. The mapping here of both communities of countries linked by likely higher levels of infection movement, and “natural” migration boundaries that display reduced movement of people and infections between regions has practical utility. These maps can inform the design of malaria elimination strategies by identifying regional communities of countries afforded protection from recolonization by surrounding regions of reduced migration. For more isolated countries, a nationally focused control or elimination program is likely to stand a better chance of success than those receiving high levels of visitors and migrants from high-transmission regions.
eradication, migration, network analysis, imported malaria, community detection
0027-8424
12222-12227
Tatem, Andrew J.
6c6de104-a5f9-46e0-bb93-a1a7c980513e
Smith, David L.
5c918948-ded2-42d8-82c1-a746a4bc3b6e
Tatem, Andrew J.
6c6de104-a5f9-46e0-bb93-a1a7c980513e
Smith, David L.
5c918948-ded2-42d8-82c1-a746a4bc3b6e

Tatem, Andrew J. and Smith, David L. (2010) International population movements and regional Plasmodium falciparum malaria elimination strategies. Proceedings of the National Academy of Sciences, 107 (27), 12222-12227. (doi:10.1073/pnas.1002971107).

Record type: Article

Abstract

Calls for the eradication of malaria require the development of global and regional strategies based on a strong and consistent evidence base. Evidence from the previous global malaria eradication program and more recent transborder control campaigns have shown the importance of accounting for human movement in introducing infections to areas targeted for elimination. Here, census-based migration data were analyzed with network analysis tools, Plasmodium falciparum malaria transmission maps, and global population databases to map globally communities of countries linked by relatively high levels of infection movements. The likely principal sources and destinations of imported cases in each region were also mapped. Results indicate that certain groups of countries, such as those in West Africa and central Asia are much more strongly connected by relatively high levels of population and infection movement than others. In contrast, countries such as Ethiopia and Myanmar display significantly greater isolation in terms of likely infection movements in and out. The mapping here of both communities of countries linked by likely higher levels of infection movement, and “natural” migration boundaries that display reduced movement of people and infections between regions has practical utility. These maps can inform the design of malaria elimination strategies by identifying regional communities of countries afforded protection from recolonization by surrounding regions of reduced migration. For more isolated countries, a nationally focused control or elimination program is likely to stand a better chance of success than those receiving high levels of visitors and migrants from high-transmission regions.

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More information

e-pub ahead of print date: 21 June 2010
Published date: 6 July 2010
Keywords: eradication, migration, network analysis, imported malaria, community detection
Organisations: PHEW – P (Population Health), Population, Health & Wellbeing (PHeW)

Identifiers

Local EPrints ID: 341184
URI: http://eprints.soton.ac.uk/id/eprint/341184
ISSN: 0027-8424
PURE UUID: 55292fe8-70b5-4331-ade3-0b9d64bc2e03
ORCID for Andrew J. Tatem: ORCID iD orcid.org/0000-0002-7270-941X

Catalogue record

Date deposited: 17 Jul 2012 13:24
Last modified: 15 Mar 2024 03:43

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Contributors

Author: Andrew J. Tatem ORCID iD
Author: David L. Smith

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