"I corresponded with the German Football Association DFB about Piatek's case. They ensured that they will try their best to let the player avoid the quarantine. A week ago we had a meeting with UEFA. We heard that the national federations should contact their governments to talk about the safety rules in those situations," added Kwiatkowski.
This Sunday, Germany crosses swords with Switzerland in Basel.
"It's going to be one of the young guys, I think, if you count Dominic Thiem as a young guy, as well. He obviously has a chance to win. Now I think it is the time where it gets really interesting. We'll see where we go from here," added the German.
Two 1-1 draws against Spain and Switzerland showed that time might be running out, as no more than nine months are left complete the rejuvenation of the German team, including a new approach on the pitch.
Yellow jersey holder Yates survived several attacks to finish in a group containing many of the title favorites, which also helped him secure his leading place in the title race.
Under CONCACAF's qualifying format, the winners of each of the six first-round groups will play a two-legged knockout tie for a place in the last phase. Mexico, the United States, Costa Rica, Jamaica and Honduras have already secured a place in the final round by virtue of their rankings.
2019-20 was a strange season for Atletico, who were well below their best for a long time - losing to third tier Cultural Leonesa in the Copa del Rey and dropping more points than usual in La Liga.
After the restart, Germany got a perfect start as Werner broke the deadlock on 51 minutes after capitalizing on Robin Gosens' square pass into the penalty area.
In the other matches of the day, Xiamen Tefang edged Shenzhen Nankeda 4-1, while Zhejiang Nengyuan defeated Anhui Souyu 3-2. Enditem
Briton Adam Yates retained the yellow jersey and kept a three-second lead over Jumbo's Primoz Roglic in the overall standings.
"I didn't feel happy this last year at the club," explained Messi.