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  • Content Type: Abstract

    Effective public health response to emerging infectious diseases, natural disasters, and bioterrorism requires access to real-time, accurate information on disease patterns and healthcare utilization. The ESSENCE surveillance… read more
    … consolidated. Test results could not be monitored due to lack of stan- dardized reporting, so only test orders were … disease syn- dromes based on ICD-9 diagnostic codes. We com- pared laboratory test orders to outpatient visits by … Practice patterns and laboratory test/outpatient visit associations vary by region, so monitoring may be most …