But the World Health Agency says the choice of equipment is much less important than the way it's used.
Dr Edward Kelley, director of service delivery and safety for WHO, told reporters today the updated guidelines call for wearing one of two materials for gowns or coveralls and "an absolute recommendation for double-gloving that didn't exist before."
Doctors Without Borders already recommends some of its staff in high-risk jobs, like cleaning Ebola treatment centres or handling bodies of Ebola victims, wear two or three pairs of gloves.