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"The figure of 16,000 deaths averted for every million invested or 160 bednet-years
for every death averted is a good basis.
It is probably underestimating the true impact because as time progresses the effects
[of LLINs] become better through long-term impact on transmission but we don't have
good data for this and you are better remaining for the safe estimates.
This effect does not include impact on other non-mortality parameters such as anaemia
(30-60% reduction) and the number of clinical episodes (50% reduction).
The latter is especially important for (1) reducing the financial and time burden
on households and (2) reducing the number of patients coming for treatment at health
facilities. We are now seeing the positive impact of this is hospitals and other
health facilities with greatly reduced patient loads."
Dr Christian Lengeler, Swiss Tropical Institute
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