FRANKFURT, Germany (AP) — The holiday tree is towering over the main square in this central German city, the chestnuts and sugared almonds are roasted, and kids are clambering aboard the merry-go-round just like they did before the pandemic. But a surge in coronavirus infections has left an uneasy feeling hanging over Frankfurt's Christmas market.

To savor a mug of mulled wine — an uncomplicated rite of winter in pre-pandemic times — masked customers must pass through a one-way entrance to a fenced-off wine hut, stopping at the hand sanitizer station. Elsewhere, security officers check vaccination certificates before letting customers head for the steaming sausages and kebabs.

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