2(1)For the purposes of this Schedule, a person is “potentially infectious” at any time if—
(a)the person is, or may be, infected or contaminated with coronavirus, and there is a risk that the person might infect or contaminate others with coronavirus, or
(b)the person has been in an infected area within the 14 days preceding that time.
(2)For the purposes of this paragraph, “infected area” means any country, territory or other area outside the United Kingdom which the Secretary of State has declared as a country, territory or area—
(a)where there is known or thought to be sustained human-to-human transmission of coronavirus, or
(b)from which there is a high risk that coronavirus will be transmitted to the United Kingdom.
(3)A declaration under sub-paragraph (2)—
(a)is to be made by being published online, and
(b)must, as soon as reasonably practicable after it is made, also be published in the London Gazette.