Karius is currently on-loan with Besiktas.
Speaking with SportBild, the goalkeeper said: “I don't take part in speculation. The fact is that I have a contract in Liverpool until 2022.
“And at the moment I'm just concentrating on the season at Besiktas. It is far too early to say anything about summer.
“Especially now that nobody knows how to proceed exactly because to the Coronavirus."
He added: “I primarily text to goalkeeper coach John Achterberg, almost every week.
“He is my first point of contact. But now and then I also text to Jurgen Klopp, I'm in good contact with everyone. I was never out of it."