Abstract
<i>Naegleria fowleri</i>in Well Water
Highlights
Until recently, dengue had not been suspected in patients with a fever living in the Buenos Aires area in the absence of a recent history of travel to an endemoepidemic area
Thereafter, serum testing became recommended in Buenos Aires for acute febrile illness, among other dengue surveillance interventions in the area
No circulation of dengue virus was reported in Buenos Aires during the first 10 epidemiologic weeks of 2008
Summary
To the Editor: Naegleria fowleri, a protozoon found in hot springs and warm surface water, can cause primary amebic meningoencephalitis in humans. A survey of drinking water supply wells in Arizona determined that wells can be colonized and may be an unrecognized source of this organism that could present a human health risk. N. fowleri’s presence in surface waters is well documented [5,6], no previous studies on its occurrence in wells have been conducted. In phase 1, samples were collected after wells were flushed until the water was clear. Samples were tested for temperature, pH, turbidity, chlorine residual, conductance, coliforms, heterotrophic bacterial plate counts (HPC), and Escherichia coli following standard methods [7]. N. fowleri feeds on heterotrophic bacteria in water and could multiply in the well casing This may explain N. fowleri’s colonization of wells.
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