My mom got sick too. She sits right at the windows. One winter, because my brother came back, I switch to her side of TV, I got sick immediately.

You should ask her go back to her room.

Right now she is sleeping now. Not feeling well. 

We wash this morning, my bed sheet stuffs. It still happened very oftenly, this period blood first day. 2 people makes the sheets are better. We are raining and cold here.