A Covid case in Beijing’s Olympic bubble is linked to a German team.

Inside the Olympic main media center, which is part of the Olympic Covid-19 “bubble,” in Beijing this week.Credit...Roman Pilipey/EPA, via ShutterstockA supervisor in Germany’s Olympic delegation has tested positive for Covid-19 within the closed loop in Beijing, the German Olympic Sports Confederation said on Thursday, confirming one of the first cases connected to an athletic team within the bubblelike environment meant to shield participants from the rest of the world.

The positive case was identified on Sunday after a P.C.R. test administered in Zhangjiakou, where many of the snow events will take place about 100 miles northwest of Beijing, the confederation said. The supervisor is…