If she has fever, that means she is still in active stage of Covid infection. Get her CBC ESR,
CRP, DDIMER AND HRCT THORAX done to see the progress of disease. And keep repeating CRP every 48 hours. If it is increasing, that suggest increasing inflammation in body and steroids might be needed to control it.
Next Steps
TESTS-CBC ESR,
CRP, DDIMER, HRCT THORAX