take a look at this map. countries in dark red are seeing case rise by 50% or more in the past week compared to the week before. at least five countries, including france and spain, reported record-high new infections on tuesday. and in china, authorities are tightening lockdown rules in the city of xi an hoping to contain a local covid vaccine outbreak. the city s 13 million residents are under strict stay-at-home orders. they can only go out for testing. cnn s steven zhang is standing by with details. first let s go to melissa in paris. these really are frightening numbers. it s really about the effect on hospitals at this point, isn t it? reporter: that s right, max. world health organization is already worried here in europe there are massive rises are quite extraordinary. we haven t seen anything like it in previous waves. will have an impact across the continent, severely tested. i am here in paris where they