Fig. 3

Viable (a) Legionella spp. and (b) Pseudomonas spp. gene copy numbers recorded in corresponding untreated and solar disinfected (for 6 hrs) rainwater samples collected at various temperatures. Viable (c) Legionella spp. and (d) Pseudomonas spp. gene copy numbers recorded in corresponding untreated and solar disinfected (for 8 hrs) rainwater samples collected at various temperatures. The overall average of Legionella and Pseudomonas spp. gene copy numbers of the untreated rainwater samples is indicated by a dotted line, while the overall average of Legionella and Pseudomonas spp. gene copy numbers of the treated rainwater samples is indicated by a dashed line. Error bar: SE (1SD) of duplicate samples analysed