Study design and participants
malaria
MALARIA
A four-group CRT was conducted using a two-by-two factorial design between January 2014 and December 2017 in 40 villages in Muleba district, Kagera region, northern Tanzania [All households in the study area were eligible to receive the interventions. Only households situated in the cluster core area with children aged 6 months to 14 years were included in malaria and mosquito cross-sectional surveys, conducted in June and November every year between 2015 and 2017. Exclusion criteria included dwellings not found or vacant, unwillingness to give informed consent, or eligible children who were severely ill or who did not reside permanently in the household.