Worms themselves are not hosts for pathogens, but the materials they live in and consume CAN contain various disease-causing organisms. Thus caution is certainly warranted when using materials such as manure and sewage sludge, which can both contain high levels of pathogens.
Not only are worms not pathogen-infested organisms, but there is actually a growing body of evidence to suggest that worms (specifically composting worms) can actually significantly reduce populations of pathogens in waste materials. Continue reading

