Polio vaccine incidents reduced public confidence in polio vaccine leading to a drop in vaccination rates. At the same time that Salk was testing his vaccine, both Albert Sabin and Hilary Koprowski continued working on developing a vaccine using live virus. During a meeting in Stockholm to discuss polio vaccines in November 1955, Sabin presented results obtained on a group of 80 volunteers, while Koprowski read a paper detailing the findings of a trial enrolling 150 people. Sabin and Koprowski both eventually succeeded in developing vaccines. Because of the commitment to the Salk vaccine in America, Sabin and Koprowski both did their
Brian Hanley (microbiologist) Brian Hanley (microbiologist) Brian Hanley (born c. 1957) is an American microbiologist and founder of Butterfly Sciences. He is known for using an experimental gene therapy to try to improve health span, and is the first subject in the study. Hanley was 60 years old as of February 2017 and holds a PhD in Microbiology from University of California, Davis. In 2009 he founded Butterfly Sciences in Davis, California to develop a gene therapy to treat HIV AIDS using a combination of GHRH and an intracellular vaccine. He has numerous articles and blog posts, and academic publications in epidemiology, biotechnology,