<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A period in which the infection is present in the host without producing overt symptoms. (from Online Medical Dictionary)</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>