Implementation of evidence-based asthma interventions in post-Katrina New Orleans: the Head-off Environmental Asthma in Louisiana (HEAL) study.

Environ Health Perspect · 2012 · PMC3556603 · PMID 22894795

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Although the intervention showed a trend toward reduced allergen levels, concomitant changes were occurring following Katrina; a natural reduction of mold levels and home renovations and remediation also took place after the storm ( Grimsley et al. 2012 ) and undoubtedly contributed to improvements in asthma symptoms.

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