pathogens can cause disease
bacteria_can_cause_disease is pathogen. bacteria is not one_cause_of_illness. virus_can_cause_disease is not pathogen. pathogen is disease_producing_microorganism. pathogen is microorganism. pathogen is not disease_producing_microorganism. bacteria is one_cause_of_illness. bacteria_can_cause_disease is not pathogen. virus_can_cause_disease is pathogen. pathogen is infectious_agent.