Venus Williams still has chance in 2012 Olympics

Venus Williams walks off after losing to Angelique Kerber of Germany during the third round of women's singles tennis on Aug. 1 at the London 2012 Olympic Games.
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(CBS News) Tennis star Venus Williams is down but not out at the 2012 Olympics.

Williams, in London on a quest for a fourth Olympic gold medal, was eliminated in the singles competition, losing 7-6 (5), 7-6 (5) to No. 7-seeded Angelique Kerber of Germany.

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But Williams, who is coming back from a bout with an autoimmune disease, still has Thursday to look forward to. That's when she and sister Serena compete in the doubles matches.

The 32-year- old California woman was diagnosed last year with Sjogren's syndrome, an autoimmune disease that causes fatigue. She quit playing competitively until earlier this year. Nevertheless, she and Serena won the doubles title in July at Wimbledon.

Venus won singles and doubles gold medals in the 2000 Olympics in Sydney and a doubles gold medal in Beijing in 2008.