I was just peeking in to see how things were going and saw your post, Marigold. Mold can be a very serious health threat for us, as you said, since our immune systems are compromised.
You will want to check into your states laws ( a quick internet search should be all that's needed) about
tenants rights when it comes to this. This is a link for those living in the state of Washington that explains a tenants right when it comes to mold in the apt for example:
solidgroundblog.wordpress.com/2011/03/10/tenant-tip-dealing-with-mold/ I hope this helps!