Additional file 1: Figure S1. of Using record linkage to validate notification and laboratory data for a more accurate assessment of notifiable infectious diseases

Proportion of pertussis cases recorded in each dataset by year of specimen collection (2000–2012). WANIDD = Western Australian Notifiable Infectious Diseases Database; PathWest = PathWest Laboratory Medicine Western Australia Database. Percentages may not equal to 100 due to rounding. (DOCX 31 kb)