Birmingham and Solihull Mental Health Trust was caring for five coronavirus patients in hospital as of Wednesday, figures show.
NHS England data shows the number of people being treated in hospital for Covid-19 by 8am on November 23 was down from six on the same day the previous week.
There were 10 beds occupied by Covid-19 patients four weeks ago in Birmingham and Solihull Mental Health NHS Foundation Trust.
Across England there were 4,600 people in hospital with Covid as of November 23, with 117 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has decreased by 50% in the last four weeks, while the number on mechanical ventilators has decreased by 47%.
The figures also show that two new Covid patients were admitted to hospital in Birmingham and Solihull Mental Health NHS Foundation Trust in the week to November 21. This was down from eight in the previous seven days.