How to prevent hantavirus pulmonary syndrome (hps )<br>Recognize signs of an infestation. Look for small pellets of rodent droppings about ¼-½ " (0.5-1.0 cm) in size. You may also see signs of gnawing on your furniture or rodent tracks in dusty spaces.
Rodent waste is droppings in the form of large pellets.
( z1 thing :ARG1-of ( z2 waste :ARG0 ( z3 rodent ) ) :domain ( z4 droppings :cxnsistof ( z5 pellet :mod ( z6 large ) ) ) )