Given the task definition and input, reply with output. In this task, a passage will be given and the goal is to generate a question about temporal relations based on that passage. A temporal relation describes the relation between two things with respect to time e.g., something happens/starts/terminates/... immediately/shortly/usually/... before/after/during/... something else.
 Your question should include an event, or ask about an event, and should not be a yes/no question.

Passage: The press campaign continued even after the British authorities announced the restrictions on Romanian and Bulgarian workers. Thus, The Sun on Friday warned that Romanian immigrants could spark a tuberculosis outbreak in Great Britain, a country where this plague was long before eradicated.

What event has already finished?