Two articles about cholera & Zimbabwe:
Lancet-2009-Zimbabwe’s sick public health-care system fuels disease.
http://www.lancet.com/journals/laninf/article/PIIS1473-3099(09)70033-7/fulltext
NEJM-2009-cholera in Africa.
http://content.nejm.org/cgi/content/full/360/11/1060
IHPnewsletter#6-4&5