Sierra Leone and Liberia must remain vigilant, that if you think somebody is sick with Ebola, you must get help immediately. Otherwise there could be a resurgence of Ebola. So everybody must remain vigilant.

And we are understanding - we're beginning to understand that the Nigerian military is now better on. And also, probably even more importantly, Michel, morale is higher amongst the military. I mean, you had Nigerian soldiers being accused of cowardice, running away from Boko Haram and not having the will to fight.

Guinea has managed to go 42 days consecutively without any new Ebola infections. And that comes after neighboring Sierra Leone and Liberia, the other two West African countries that were hardest hit by Ebola, have been through the same cycle of zero Ebola cases.