These Regulations are made in part in exercise of the powers in section 8(1) of the European Union (Withdrawal) Act 2018 (c. 16) in order to address failures of retained EU law to operate effectively and other deficiencies (in particular under section 8(2)(a) and (g) of that Act) arising from the withdrawal of the United Kingdom from the European Union. The retained direct EU law concerned relates to health security.