sentences:  The research team reported greater success with the Immunitor vaccine than the An Hui Longcom vaccine.A successful Phase III clinical trial of Tubivac is published.A team of researchers at the Genetics and Microbiology Department of the Autonomous University of Barcelona, Barcelona, Spain discovered that "Mycobacterium vaccae" changes from its "smooth" type to its "rough" type (referring to how colonies of this organism appear under a microscope) at thirty degrees Celsius.