On Monday, a German politician did what could have been seen as the ultimate faux paus -- he rejected a handshake from his head of state, Chancellor Angela Merkel.
But rather than reprimanding him, Merkel smiled and praised German interior minister Horst Seehofer for his approach, which is growing more common as the coronavirus continues its global spread.
As authorities around the world scramble to contain the novel coronavirus, which has sickened more than 90,000 people and spread to more than 70 countries and territories, people have been facing a dilemma: How should I greet someone?