We asked, what is the percentage of the world's one-year-old children who have got those basic vaccines against measles and other things that we have had for many years: 20, 50 or 80 percent?
Wir fragten, wie viel Prozent der einjährigen Kinder weltweit, erhielten die Grundimpfungen  gegen Masern und anderes, die es schon jahrelang gibt: 20, 50 oder 80 %?