NHS England Vaccination and Screening (V&S) (the Programme) are looking for a supplier for the provision of a Down's Syndrome Screening Quality Assurance Support Service (DQASS). The service will be a clinical statistical support service to support the Down's syndrome (T21) Edwards' syndrome (T18) and Patau's syndrome (T13) screening programme by providing independent audits of screening laboratory and ultrasound data in a standardised ...