Klopp, speaking ahead of Liverpool's game at Manchester United on Sunday, said only Van Dijk can ultimately answer the question of whether he'll be ready in six weeks.
Klopp urges caution on Van Dijk recovery as Euro 2020 looms
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Lingering negativity would be “really bad," Klopp said.
Klopp says EPL's rebel owners 'learned their lesson'
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