Figure A1. Weekly age-specific all-cause death rates per 100,000 population (black), fitted seasonal baseline (green), weekly pneumonia and influenza deaths (P&I) per 250,000 population (blue), and all-age weekly proportion of respiratory samples positive for influenza, New South Wales, Australia, January 2003–September 2009. The weekly proportion of respiratory samples positive for influenza was drawn from data provided by up to 8 major New South Wales public pathology laboratories for persons of all ages. Testing was by direct immunofluorescence or PCR. These data were reported only during May–September each year.