Contributed by Guest Blogger: Maggie Rasnake ’11 When a virus is not known to be associated with any disease, it is called an orphan virus. Human anelloviruses, like torque teno virus (TTV) and torque teno mini virus (TTMV), are orphan viruses because they do not have known symptoms. TTV was first discovered in a patient … Continue reading Chicken Anemia Virus and its Similarities to Human Anelloviruses