Figure 4 | Scientific Reports

Figure 4

From: Municipal and neighbourhood level wastewater surveillance and subtyping of an influenza virus outbreak

Figure 4

Process flowchart describing: (A) Processing of primary clarified sludge samples to examine the fractionation of influenza A viral signal within the supernatant and solid pellet with and without PEG addition, and (B) Processing of municipal wastewater to examine the fractionation of influenza A viral signal within the supernatant, filtered suspended solids and solid pellet.

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