Children’s book about flying creatures - polio analog?

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Children’s book about flying creatures - polio analog?

1cyreneduvent
Avr 27, 4:41 am

Fiction

Square paperback children’s book, vaguely painted art style

20-60 years old

Narrator is a young child, with a younger sister. One summer flying creatures appear, and after one comes in the sister’s room, she gets very sick. I realized several years after I read it that I think the whole thing’s a polio analogy - the sister gets the same sort of symptoms, and I think ends up with the muscle weakness problems afterwards.

I think the creatures had an invented name, but I’m not sure. They were brown and bat-like. They all suddenly left after a while.

It might have been called something like “the x that the x came” but I’m *really* not sure on that

I’ll add onto this if I manage to dredge up any more. Thanks!