abnormal pathogen morphology during colonization of host increased size of pathogen vacuoles during host colonization 2019-12-09T14:04:10Z pathogen_host_interaction_phenotype alaynecuzick A pathogen host interaction phenotype where the size of the pathogen vacuoles are larger than normal during host colonization. This relates to the pathogen colonization of the body, tissues, or cells of the host organism.