Twenty-six cases have been linked to a cardiology ward at Aberdeen Royal Infirmary.
Ward 212 at Aberdeen Royal Infirmary is now closed to new admissions and visitors.
Elaine Douglas fell ill with coronavirus on March 6 and is in recovery.
The A400M aircraft transported the man in his 60s from Shetland to Aberdeen Royal Infirmary.
Police were called to the property in Gladstone Road, Peterhead, late on Saturday night.
Two other people were injured in the crash in Aberdeen on Tuesday last week.