Omicron variant outbreaks have hit Broadway, so understudies have saved the day

NPR: After being silenced by COVID-19 for a year and a half, Broadway roared back in the fall — only to be tripped up by the omicron variant in the past couple of weeks. At one point, half the shows on Broadway were canceled. And the ones that soldiered on often did with understudies, swings and standbys: people whose job is to perform at a moment's notice to make sure the show goes on.