South Korea’s Coronavirus Return Looks Familiar, With a Church at the Center

SEOUL—South Korea, praised for its Covid-19 containment, is having a bout of coronavirus déjà vu, with rising coronavirus cases linked to a large church and the government scrambling to respond.

The country is teetering on the verge of a national outbreak, local health officials warn, and faces a possible return of its most stringent social-distancing measures in the coming days. On Friday, the country reported 324 new virus cases—its largest one-day rise since March 8. Daily infections have hit triple digits for more than…