BERLIN, GERMANY - MARCH 23: An outside view of German Chancellor Angela Merkel's house in Berlin, Germany on March 23, 2020. German Chancellor Angela Merkel has entered self-quarantine today due to earlier contact with a doctor who tested positive for coronavirus, her office announced on Sunday. The chancellor has decided to quarantine herself at home, immediately after learning Sunday that a doctor who gave her a pneumococcal vaccination on Friday later tested positive for COVID-19. Abdulhamid Hosbas / Anadolu Agency/ABACAPRESS.COM