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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Assessment of the effect of larval source management and house improvement on malaria transmission when added to standard malaria control strategies in southern Malawi: study protocol for a cluster-randomised controlled trial

Fig. 2

Example showing how buffer zones were used to define contamination distance. Village A and Village B could not be assigned to different treatments without risking contamination bias. Village C is assumed to be a sufficient distance from Villages A and B to limit contamination bias

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BMC Infectious Diseases

ISSN: 1471-2334

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