IDEXX SARS-CoV-2 RT-PCR Wastewater Test Kit provides Validated Matrix Recovery Control and Human Faecal Measurement IDEXX has expanded the SARS-CoV-2 wastewater surveillance test kit range by incorporating a Matrix and Faecal Control Kit, which provides a validated matrix recovery control and human faecal measurement for normalisation in a single, multiplexed reaction. Click to read more.