London. As a rare species of Ebola virus spreading in the African country of Congo and surrounding areas has started to take the form of an epidemic, scientists have rushed into a race to develop a vaccine for its control.This species, which has so far claimed the lives of about 250 people, is currently being developed by three major scientific groups worldwide. Looking at the latest situation of the epidemic, the International AIDS Vaccine Initiative (IAVI), involved in vaccine development, has warned that this outbreak could be the worst in history.Currently, more than 1,000 suspected Ebola patients have been found...