We like to think that all creatures play a role in the local ecosystem. We’re especially interested in insects that provide a benefit for people too. But that’s not always how it is.
Head-to-head contact is the easiest way for lice to move from person to person.
Dr Cameron Webb (NSW Health Pathology)
Despite being so small they can’t be seen with the naked eye, pathogens that cause human disease have greatly affected the way humans live for centuries.