Sussex Partnership Trust was caring for three coronavirus patients 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 August 2 was down from 12 on the same day the previous week.
There were two beds occupied by Covid-19 patients four weeks ago in Sussex Partnership NHS Foundation Trust.
Across England there were 10,177 people in hospital with Covid as of August 2, with 240 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has decreased by 8% in the last four weeks, while the number on mechanical ventilators has increased by 5%.
The figures also show that no new Covid patients were admitted to hospital in Sussex Partnership NHS Foundation Trust in the week to July 31.