Delta variant cases exceed 13,000 in South Korea

South Korea has confirmed 2,899 more cases of four major contagious variants of the new coronavirus over the past week, including 2,874 of the highly transmissible Delta variant, health authorities said Tuesday.

The caseload of such infections reached 16,842 in South Korea, with the number of Delta cases, first reported in India, tallied at 13,454, according...