I always like the way, something so seemingly professional, and with our "good health in mind", entities send out letters like this, that are fear based, and yet have no real information.
meaning....oh, were "concerned"...just pack it up and send it to us for free.
I think they should have to buy it back, "if" one had any still, and pay for the shipping too. Just for starters.
Sounds pretty scadulous to me. I would send them nothing.