Despite ongoing efforts, there are still no proven safe and efficacious treatment, preventive or vaccination options for the Bundibugyo species of the Ebola virus, Dr. Moorthy told reporters in Geneva. However, it would likely still be several months before more definite conclusions could be drawn from the ongoing trials, he said. Vaccine trialsA vaccine trial in the United Kingdom entered phase one on 24 July, with another to begin in Canada in coming days, Dr. Moorthy said. Advertisement - scroll to continue readingNew data has also emerged in animal studies on the licensed vaccine Ervebo, targeting a different Ebola strain, according to WHO. “Because they’re a clinical trial, we have to have safe, monitoring of the people that are enrolled in the trial.