all right let's bring in our guests in johannesburg south africa helen rees executive director of the with reproductive health and hiv institute and a member of the w.h.o. strategic advisory group of experts on the covert 1900 vaccine in the isle of wight in the u.k. and america health policy manager at oxfam welcome to you both and let me start with you today humanitarians across the globe and in geos have been urging world leaders to urgently make over 1000 vaccinations available to millions of refugees migrants and others displaced by conflict are their calls being heated. well i think as as you rightly point out the momentum is growing so there's calls for of fair and equitable access across the world because we know that no one is safe from this pandemic until we we reach that critical had immunity across the globe and that comp be patchy access in some countries and not end up as that continues to put a dollar risk if that is the sario. so far you know we are staying growing momentum for a people's vaccine for a vaccine for the vaccine science to be shed openly without intellect