Sweden spared surge of virus cases but many questions remain

A train pulls into the Odenplan subway station in central Stockholm, where morning commuters without masks get off or board before settling in to read their smartphones. Whether on trains or trams, in supermarkets or shopping malls — places where face masks are commonly worn in much of the world — Swedes go about their lives without them. When most of Europe locked down their populations early in the pandemic by closing schools, restaurants, gyms and even borders, Swedes kept enjoying many freedoms.