Serena Williams fighting fit after Wimbledon illness scare

Serena Williams, a 17-time grand slam champion, disorientated, unsteady on her feet and unable to serve properly on Court No. 1.

Her doubles match alongside sister Venus lasted just three games, with Serena unable to get the ball over the net when it was her turn to serve.

 But now, as she prepares to return to action at the WTA's Stanford tournament, the 32-year-old says the commotion caused by her viral illness had taken her by surprise