Judgment of the Court (Eighth Chamber) of 10 March 2021.#Ordine Nazionale dei Biologi and Others v Presidenza del Consiglio dei Ministri.#Reference for a preliminary ruling – Public health – Article 168 TFEU – Directive 2002/98/EC – Standards of quality and safety of human blood and of blood components – Objective of ensuring a high level of protection of human health – Article 4(2) and Article 9(2) – Blood establishments – Responsible person – Minimum conditions of qualification – Option for a Member State to provide for a more stringent regime – Discretion afforded to the Member States.#Case C-96/20.