Well if it is an air born virus then if she was to close to someone with it or if she was in an area with a lot of infected people if it was on a surface then if she touched her face after touching an infected surface or if she had a cut and the virus got into it. If this helps plz give Brainlyist!
When you do that the fish will die. That is because it will take too much water in it and die from it, or rather, the fish's cells will take too much water in.
