In partial response to a dead comment, this vaccine is "known" and at least in theory is likely to be safe. It takes an existing, well understood virus that mo

In partial response to a dead comment, this vaccine is "known" and at least in theory is likely to be safe. It takes an existing, well understood virus that mostly affects animals. From memory, it knocks out one gene that makes it pathogenic, and adds (or replaces?) genes to express surface Ebola virus surface proteins.