Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: There is "strong evidence" that coronavirus restrictions imposed in the Derry City and Strabane council area are making a difference, health officials have said.

Coronavirus: North west Covid restrictions 'making a difference'