Quoted in Brazilian newspaper O Globo, he told a press conference: “Thank God I’m well and recovered. I want to thank everyone who sent messages – I’ve been thrilled and surprised.

“I’ve had messages from China, Pakistan, from almost all the European countries.

“It is gratifying and good to know that I had the support of so many people around the world who were hoping the situation improved.

“Now I am preparing for the Olympics!”