No viruses were detected in the lung fluid from stable patients. Related StoriesMillions more bird species killed by West Nile virus than previously thoughtBlocking calcium-signaling pathway could inhibit Ebola virus and various other sources of deadly infectionsDengue-infected individuals with few or no symptoms transmit virus to mosquitoes The current presence of respiratory viral infections in these four IPF patients suggests that a little minority of acute exacerbations of IPF may be caused by occult infections with common respiratory infections, said Dr. Collard, who’s an assistant clinical professor of medicine in UCSF also. Unexpectedly, the experts also found lung fluid samples from 28 % of patients in the severe exacerbation group and 24 % in the ALI control group examined positive for torque teno virus , a common virus that usually causes no symptoms in healthy individuals and which often appears in people with hepatitis.This partnership builds upon AbbVie's commitment to pursue transformational disease-modifying therapies in Alzheimer's Disease. Tau stabilizes proteins that are responsible for the transport and structure in neuronal cells. Abnormal accumulation of modified tau protein is a leading indicator in a number of neurodegenerative circumstances including Alzheimer's Disease, Progressive Supranuclear Corticobasal and Palsy Degeneration. In these conditions, the development of tau pathology correlates with clinical disease progression strongly.