infested with (something)
Overrun by or beset with something unpleasant and unwanted, usually a pest of some kind. We can't live in this disgusting apartment, it's infested with roaches! I just overheard the nurse saying that the second-grade class is infested with lice.
*infested with something
to be contaminated with a swarm or throng of some pest. (*Typically: be ~; get ~.) All the campers are infested with lice. The dog is infested with ticks.