Mr Bolsonaro, 67, has not admitted defeat in the tightly-fought election, and flew to the US before the handover on 1 January. On Monday, he was admitted to hospital in Florida with abdominal pain.
On Monday evening, the 77-year-old new leader - widely known as Lula - visited the damaged buildings of Congress, the presidential palace and Supreme Court together with the country's governors, condemning the "terrorist acts" and vowing to punish the perpetrators.