Biology Reference
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which could, in the long run, result in systems
falling into disuse and people reverting back to
open defecation with all the associated public
health risks. Curtis (2005), when evaluating the
use of insecticide-treated nets against malaria
vectors and polystyrene beads against Culex
larvae, stated that vector control should provide
backup to drug administration programmes
where it was dii cult to achieve a high enough
coverage to interrupt transmission (Curtis,
2005). Vector control in sanitation of ers a dual
public health impact; it potentially reduces
vector-borne disease and, at that same time,
makes using sanitary facilities a more pleasant
experience, thereby possibly reducing the
practice of open defecation.
Public health oi cials and policy makers
who promote sanitation often have a very
dif erent agenda from the prospective users of
sanitation facilities. Public health oi cials
promote sanitation based on public health
reasoning, assuming that simply providing
facilities will mean that they will be used by the
recipients. The main reasons why most people
want sanitation often have less to do with health,
and more to do with dignity, privacy, status and
comfort (Jenkins and Curtis, 2005). The
promotion of sanitation involves understanding
why people want sanitation and of ering them
suitable options. For example, the VIP latrine
will be ef ective in controlling fl y populations,
but is also beyond the means of many
households. Therefore, when sanitation is
promoted, it is better to of er a range of options
out of which people can pick what they can
af ord and what will fulfi l their needs.
References
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