In response to claims that Bolt is suffering from an ongoing injury, agent Ricky Simms stated: "He is not injured. He trained fully up to leaving Jamaica and is training fully again".
Tue 24 Jan 12: Usain Bolt is to compete at the Diamond League in Rome.
Bolt will run the 100 metres on 31 May at the Italian capital's Olympic Stadium. Usain said: "Rome's race will be a good early season test and tell me what I need to do on the way to the Olympic Games."
In the final race of the World Championships being held in Daegu, South Korea, Usain ran the anchor leg of a relay that completed the course in a blistering 37.04 seconds - the only world record of the Championships.
"We're natural born athletes. It's all about running fast. As long as we got the baton round, I had no doubts," he said.
He responded perfectly to disqualification in the 100m by powering across the line in the fourth fastest time ever - 19.40 secs. "I made a mistake but I came back to show the world that I'm still the best," said a jubilant Bolt.
"I'm not a legend yet. I'm on my way, but I've got to go to London and blow people's minds, to go to the Olympics and do something extraordinary."
Usain appeared to struggle out of the blocks and later said: "I was nervous, as it was my first race of the season.
"I didn't think it went well and the nerves got to me. It was a totally bad race and I'm just pleased I won."
Mon 04 Apr 11: "Champs" is no ordinary school sports day - there are no egg and spoon races here.
Usain Bolt went back to Champs,
where he completed a record-breaking double in 2001, aged 16, winning the 200m and 400m.
"The good news is that I am 100% healthy and am completely over my back and Achilles tendon problems," Usain said.
"I am looking forward to defending my 100 and 200 metres titles at the 2011 World Championships in Korea."
Mon 06 Sep 10: Usain Bolt has revealed that he has what it takes to be a professional footballer and believes he can run the 100m in 9.4 seconds. The revelations came in a series of interviews he did as part of a hectic week-long tour promoting his autobiography.
After seeing Usain on a host of media outlets, World Olympic Dreams caught up with him to find out how he is coping with the media circus.
The BBC's Leon Mann finds the Jamaican sprinter in typically relaxed form
Wed 25 Aug 10: Usain Bolt has signed what is said to be the biggest sponsorship deal in the history of athletics, valued at £21m. The deal with Puma will see the launch of a new line of clothing based on Bolt's "To Di World" stance, according to
Tue 10 Aug 10: Usain has announced that he will not be racing again in 2010 because of a lower back injury.
Read the BBC report here.
Fri 06 Aug 10: Tyson Gay sensationally beat Usain Bolt in the 100m at the Diamond League meeting in Stockholm, Sweden.
Watch the race here
(UK users only). This is only Usain's second professional loss in the 100m.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.