SARS-CoV-2 RNA presence and infectivity in wastewaters and receptors was assessed. • Viral RNA was detectable in the inflow but not in the outflow wastewaters. • Viral RNA was present in receptors due to sewage overflows or inefficient treatment. • SARS-CoV-2 infectivity was null both in wastewaters and receptors. • A precautionary approach in the assessment of contagious risk is advocated.
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