Former German chancellor Gerhard Schröder and his wife, Soyeon Schröder-Kim, have contracted the coronavirus. “Unfortunately, we have been infected,” Schröder-Kim wrote on Instagram on Monday. “But neither of us has any serious symptoms. Probably because we are both boosted.” Schröder, 77, served as chancellor from 1998 to 2005. Since retiring from front line Social Democratic politics following his defeat by Angela Merkel’s conservatives in the 2005 elections, Schröder has taken the position of chairperson of the Russian energy companies Nord Stream and Rosneft, among other business activitie…