Dokic Told To Rest After Virus Diagnosed

`Doctors have told her to do nothing but rest for a fortnight,` the statement said.

Doctors have diagnosed a "mystery" ailment that has plagued Jelena Dokic since the French Open as a common viral illness, and told the former Australian number one to rest for two weeks.

Dokic had blood tests after suffering a dizzy spell in her first round defeat by Germany's Tatjana Malek at Wimbledon.

The results that came back earlier this week showed she had mononucleosis, a viral ailment whose symptoms include fever, fatigue and swollen glands, Tennis Australia said in a statement on Friday.

"Doctors have told her to do nothing but rest for a fortnight," the statement said.

After a three-year layoff, Dokic revived her tennis career by making the quarter-finals at the Australian Open in January, but has since struggled, and was forced to withdraw from the French Open with a back injury while leading her second-round match against Elena Dementieva.

The world number 76 said she was disappointed she would miss a couple of tour events, but also relieved to know what was wrong.

"This only makes me more determined to get everything right and work even harder as soon as I can get back on court, which will hopefully be in time for a good solid hard court lead up to the U.S. Open," she said.