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Infectivity of Chronic Malaria Infections and Its Consequences for Control and Elimination.


ABSTRACT: Assessing the importance of targeting the chronic Plasmodium falciparum malaria reservoir is pivotal as the world moves toward malaria eradication. Through the lens of a mathematical model, we show how, for a given malaria prevalence, the relative infectivity of chronic individuals determines what intervention tools are predicted be the most effective. Crucially, in a large part of the parameter space where elimination is theoretically possible, it can be achieved solely through improved case management. However, there are a significant number of settings where malaria elimination requires not only good vector control but also a mass drug administration campaign. Quantifying the relative infectiousness of chronic malaria across a range of epidemiological settings would provide essential information for the design of effective malaria elimination strategies. Given the difficulties obtaining this information, we also provide a set of epidemiological metrics that can be used to guide policy in the absence of such data.

SUBMITTER: Aguas R 

PROVIDER: S-EPMC6030896 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Infectivity of Chronic Malaria Infections and Its Consequences for Control and Elimination.

Aguas Ricardo R   Maude Richard J RJ   Gomes M Gabriela M MGM   White Lisa J LJ   White Nicholas J NJ   Dondorp Arjen M AM  

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 20180701 2


Assessing the importance of targeting the chronic Plasmodium falciparum malaria reservoir is pivotal as the world moves toward malaria eradication. Through the lens of a mathematical model, we show how, for a given malaria prevalence, the relative infectivity of chronic individuals determines what intervention tools are predicted be the most effective. Crucially, in a large part of the parameter space where elimination is theoretically possible, it can be achieved solely through improved case ma  ...[more]

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