A rehabilitation unit at the West Cumberland Hospital in Whitehaven is closed to admissions, due to an outbreak of flu.
Visiting has also been restricted at the Copeland Unit after 12 patients ans 6 staff members caught the seasonal bug.
The unit is designed to provide further care to patients who have already been in hospital by offering rehabilitation before discharge.
According to the Health Protection Agency, flu is most common between December and March.
Anyone with questions about patients can contact the Copeland Unit on 01946 693181.
Health professionals are advising people what to do if they catch the bug: