Childhood blood lead levels in children aged <5 years — United States, 2009–2014
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Childhood blood lead levels in children aged <5 years — United States, 2009–2014

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    This report provides data concerning childhood blood lead levels (BLLs) in the United States during 2009–2014. These data were collected and compiled from raw data extracts sent by state and local health departments to CDC’s Childhood Blood Lead Surveillance (CBLS) system. These raw data extracts have been de-identified and coded into a format specifically for childhood blood lead reporting. The numbers of children aged <5 years for 2014 are reported with newly confirmed BLLs ≥10 µg/dL by month (Table 1) and geographic location (Table 2). The incidence of BLLs ≥10 µg/dL is reported by age group for 2009–2014 (Table 3). The numbers of children aged <5 years are reported by the prevalence of BLLs 5–9 µg/dL by age group and sample type during 2009–2014 (Tables 4 and 5). For the period 2009–2014, the numbers of children newly confirmed with BLLs ≥70 µg/dL are summarized (Figure 1) as well as the percentage of children with BLLs ≥5 µg/dL (Figure 2). Suggested citation for this article: Raymond J, Brown MJ. Childhood Blood Lead Levels in Children Aged <5 Years — United States, 2009–2014. MMWR Surveill Summ 2017;66(No. SS-3):1–10. DOI:
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