At least 47 residents and three workers have been infected with coronavirus at a retirement home in the northern Mexican state of Nuevo Leon, authorities said on Wednesday, in one of the biggest outbreaks yet reported in the country. Nuevo Leon’s health minister, Manuel de la O, said the infections were registered among the 98 residents and 48 workers at the Casa de Retiro Luis Elizondo in the municipality of Guadalupe, east of the state capital,…