Karius has a sore hip and Ward a sore back. While neither goalkeeper has a long-term issue, both will sit out training today.
The duo will be monitored while completing individual programmes with the team in Germany.
A 30-man Liverpool squad flew out earlier on Wednesday for a pre-season training camp that will also include three friendly matches.
The Reds will take on Hertha BSC in Berlin on Saturday before participating in the Audi Cup in Munich next week.