Serena Williams looked disoriented , could n't even serve . She says 'this bug ' made it difficult to play . She 's been ill for days , sister Venus Williams says . During the 11-minute break , Williams put her head in her hands and appeared to cry . Comment:
Serena Williams looked disoriented , could n't even serve . She says 'this bug ' made it difficult to play . She 's been ill for days , sister Venus Williams says . Comment: