Which organism is a fungus-like protist?

Slime Molds

Explanation:

A Slime mold is considered as a fungus-like protist.

A fungus like protists organism has several characteristics that matches with the characteristics of fungi. All Fungi are hetertrophs and thus they are unable to produce their own food. Like wise slime molds cannot produce their own food. All fungi's reproduce by forming spores like wise a slime mold also reproduce by forming spores. Most of the Fungus-like protists use special structures to locomote like wise slime molds use psuedopods to move around.

it would lead to upper respiratory infections and pneumonia.