Fig. 3From: Using a hepatitis B surveillance system evaluation in Fujian, Hainan, and Gansu provinces to improve data quality and assess program effectiveness, China, 2015Corrected case-classification of Hepatitis B cases reported to the National Notifiable Disease Reporting System from six project hospitals based on information abstracted from patients’ medical records, Fujian, Hainan and Gansu Provinces, China, 2015Back to article page