A Kiss Is Just a Kiss Except When It Spreads the Coronavirus
Tourists, wearing protective face masks, pose for photographs with revelers in traditional carnival costumes in Venice, on Feb. 24, 2020. (Photographer: Andrea Merola/Bloomberg)

A Kiss Is Just a Kiss Except When It Spreads the Coronavirus

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(Bloomberg) -- King Henry VI of England banned kissing in 1439 to battle the plague. As the world confronts the coronavirus spreading from China, some health authorities are again urging people to ...