 it takes quite a while for the rash to be seen in these cases and we still don't know as Jean-Claude said we don't know how infectious this is before the rash presents and of course sometimes the rash isn't visible and so or we don't know what mild disease looks like and how infectious people are and so there's very high likelihood of people traveling between these countries but also getting on planes and so we do need to be very aware put as much international support into this region as we can because obviously the immediate priority of these communities