Mexican Billionaire Carlos Slim Has COVID-19

Mexican tycoon Carlos Slim prepares to speak during a press conference in Mexico City, on Jan 19, 2010. Carlos Slim is now the world's richest man, according to Forbes magazine's latest list of billionaires. Alfredo Estrella/AFP/Getty Images

MEXICO CITY—The son of Mexican billionaire Carlos Slim announced Monday that his father has COVID-19 and is responding to treatment.

Carlos Slim Domit wrote in his Twitter account that his 80-year-old father started having minor symptoms a week ago, and has gone to one of the country’s foremost hospitals for care.