You should never vacuum rodent droppings in your attic because vacuuming can send contaminated particles into the air

https://pub-860ef87002ee44518b008bdad449af5f.r2.dev/my-home-blog/attic/why-sealing-your-eaves-is-the-secret-to-a-rat-free-attic.html

You should never vacuum rodent droppings in your attic because vacuuming can send contaminated particles into the air and raise the risk of exposure to rodent-borne diseases.