Healthcare workers warn of hidden 'third wave' as mental illness cases set to soar before Christmas We’re sorry, this service is currently unavailable. Please try again later. Dismiss Healthcare workers warn of hidden 'third wave' as mental illness cases set to soar before Christmas Normal text size Advertisement Mental health workers say a growing number of traumatised aged care staff and nurses are seeking support for psychological stress in what is becoming a hidden "third wave" of the coronavirus pandemic. With Christmas – always a bad time for mental health problems – less than a fortnight away, mental health professionals are seeing increasing numbers of people who were on the front line of Victoria’s deadly nursing home clusters looking for urgent support.