Devon Partnership NHS Trust was caring for one coronavirus patient in hospital as of Tuesday, figures show.
NHS England data shows the number of people being treated in hospital for Covid-19 by 8am on September 14 was down from three on the same day the previous week.
There were five beds occupied by Covid-19 patients four weeks ago in Devon Partnership NHS Trust.
Across England there were 4,540 people in hospital with Covid as of September 14, with 140 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has decreased by 39% in the last four weeks, while the number on mechanical ventilators has decreased by 32%.
The figures also show that no new Covid patients were admitted to hospital in Devon Partnership NHS Trust in the week to September 12. This was down from two in the previous seven days.