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Errata: Vol. 63, No. 1
In the report, "Recreational Water–Associated Disease Outbreaks — United States, 2009–2010," an error occurred on page 8 in the § footnote of the table. The second and third sentences of that footnote should read as follows: "Microcystin was considered a confirmed etiology if water testing detected ≥20 µg/L microcystin toxin in water samples collected during or within 1 day of the outbreak exposure period. Microcystin was considered a suspected etiology if water testing detected <20 µg/L microcystin toxin in water samples collected during or within 1 day of the outbreak exposure period."
In the report, "Algal Bloom–Associated Disease Outbreaks Among Users of Freshwater Lakes — United States, 2009–2010," an error occurred on page 14 in the third sentence of the first full paragraph. That sentence should read as follows: "Microcystin concentrations of ≥20 µg/L exceeded the WHO guideline for moderate health risks in four outbreaks (Table 3) (2)."
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