The context of the following conversation is Jan wasn't able to go to work because they were sick so Casey did their job.:
Casey says I have to go into work to cover for Jan again today.
The friend responds oh really? Is she still not feeling very well?.
Casey responds no she say's she's been feeling very unwell and is waiting to hear back on her results from a COVID test.
The friend responds I hope for her sake the test results come back negative.