Attribution of reductions in malaria prevalence in Dar es Salaam, Tanzania – Authors' reply

Killeen, Gerry ORCID: https://orcid.org/0000-0002-8583-8739, Govella, Nicodem J, Mlacha, Yeromin P and Chaki, Prosper P (2019) 'Attribution of reductions in malaria prevalence in Dar es Salaam, Tanzania – Authors' reply'. The Lancet Planetary Health, Vol 3, Issue 6, e247.

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Abstract

We thank Mathieu Maheu-Giroux and Marcia Castro for their Correspondence about our Article.1 Regarding concerns about the stepped-wedge design of the larviciding scale-up in our study, we agree and also note that scale-up was not randomised, but rather introduced earliest to the best-prepared wards. However, such compromises are normal and healthy in pragmatic assessments of effectiveness under realistic programmatic conditions, rather than efficacy under artificially controlled experimental conditions. As acknowledged in the discussion and emphasised in the title, we also agree that evidence for window screening impact is purely observational, and that long-overdue, cluster-randomised, experimentally controlled analyses of well developed delivery practices for both these supplementary vector control measures are urgently needed.

Item Type:	Article
Subjects:	WA Public Health > Preventive Medicine > WA 240 Disinfection. Disinfestation. Pesticides (including diseases caused by) WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries WC Communicable Diseases > Tropical and Parasitic Diseases > WC 750 Malaria
Faculty: Department:	Biological Sciences > Vector Biology Department
Digital Object Identifer (DOI):	https://doi.org/10.1016/S2542-5196(19)30086-5
Depositing User:	Stacy Murtagh
Date Deposited:	04 Jul 2019 13:10
Last Modified:	16 Sep 2019 10:12
URI:	https://archive.lstmed.ac.uk/id/eprint/11157

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