Gross lesions associated with chlamydiosis in koalas. (a) Urinary bladder with chronic cystitis. (b) ‘Wet bottom’ secondary to chronic cystitis. (c) Hydroureter associated with ascending urinary tract infection. (d) Chronic nephritis. (e) Bilateral bursitis and haemorrhagic cystitis. (e) Chronic conjunctivitis. All bars = 1 cm. Figures (a–d) extracted and modified from Gonzalez-Astudillo, 201910.