Cholera and Malaria Epidemics
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Dear Torben Vestergaard,
Thanks for messages about your products. But can you please give some
evidence about the effectiveness of your cholera filters. How can you
do any studies to prove they really reduce disease, as it is not ethi-
cal to make experiments with cholera? Water treatment tablets are eas-
ier to use. Filters get easily blocked when water is dirty.
Amady Keita
mailto:keitaamady@hotmail.com
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