The statistics say it all: 70% of the transmission of infectious diseases is focused in and around the house. Including malaria, where the key vectors in Africa are almost exclusively feeding indoors and at night. The forum on MalariaWorld that discussed this issue was very well read (more than 1000 views), and although comments were limited, it was enough to move forward with the idea...
Transactions of the Royal Society of Tropical Medicine and Hygiene, Volume 104, Issue 1, January 2010, Pages 61-65, doi:10.1016/j.trstmh.2009.07.003.
This study examined the effect of different housing and household characteristics on malaria risk among 98 case and 185 control children in the semi-urban area of Nouna, Burkina Faso.