I have a sense that some might not be taking this seriously since I used "zombie apocalypse" in the title. That was meant to be tongue-and-cheek and not to sound a "doomsday alarm". Sometimes I feel kinda like a zombie though...
This is serious to me and I'm guessing these are airborne(at least their algacysts?), since each of them came directly off my skin. And I don't go in the water anymore...