Will fear of Delta overcome America's vaccine hesitancy?

Only two months ago America's fast-moving vaccine rollout was the envy of billions across the globe. But with infections now rising across the country, and only half of Americans fully vaccinated, anger is building towards the many millions of adults who refuse to get the jab, and towards news media that lends credence to vaccine sceptics.

Will the fear of a return to social distancing, mask wearing and travel restrictions convince the vaccine skeptics to get the jab? And as calls intensify for mask wearing to become obligatory again, what other measures are being considered to curb the spread of the Delta variant?

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