Fig. 1.
Epidemiology characteristics of sequenced isolates. (a) The distribution by year of collection. Invasive isolates were collected only in years 2007 to 2017 from the Greater Newcastle and Hunter regions of NSW and are shown in red. Non-invasive isolates were collected only in years 2019 to 2022 from the ISLHD and are shown in blue. Note that GAS isolates were not collected as part of this study during 2018. (b) The age distribution grouped by gender of patients presenting with S. pyogenes infection split by source of infection. F, Female; M, male. Note that non-invasive isolates were not collected from patients under 18 years of age.
