How To Guide

Dried bird droppings are a fungal hazard, not just a mess: disturbing them can release Histoplasma spores that infect the lungs. This guide follows NIOSH guidance for wetting the accumulation down before you touch it, the P100 respirator and PPE to wear, the safe removal method, and why large accumulations in attics and barns belong to a pro.

Sweeping or vacuuming dry mouse droppings is how people catch hantavirus, because it aerosolizes the virus from urine and feces. This guide follows the CDC protocol step by step: ventilate first, wear a P100 respirator and gloves, wet the droppings with disinfectant before you touch them, wipe rather than sweep, and bag the waste safely.