The researchers say that this is the first Ebola vaccine to remain viable long-term and can therefore be successfully stockpiled.
Although few people contract Ebola each year, its effects are so swift and devastating that it is often feared that it could be used against humans in an act of terroism.
All previously developed vaccines have relied on injecting intact, but crippled, viral particles into the body.
Full Story: Vaccine developed against Ebola