SEOUL—Just before 1 p.m. on Friday, Son Jae-son marched to his local pharmacy, seeking a prized item in South Korea: his weekly ration of two face masks. South Korean health officials have urged all citizens, even healthy ones like Mr. Son, to wear filtered masks, causing the product to disappear from shelves. With his extended family down to just a handful of masks, Mr. Son’s heart sank when he saw that the drug store—which had posted a sign saying it would have fresh inventory at 1 p.m.—had already attracted a sizable line....

Source: Wall Street Journal March 15, 2020 14:48 UTC