What you need to know about the measles outbreak in Sweden

This week, a measles outbreak spread to several parts of Sweden. We look at what happened, who is most at risk, and what to do if you're unsure whether you've been vaccinated.

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And: we look at what the latest opinion polls can tell us as Sweden’s election campaign gets underway, and we catch up with one of Swedish Radio’s US correspondents after his first year reporting from Austin, Texas.