The novel coronavirus had hit the national badminton camp as Tokyo Olympics hopeful Sikki Reddy and physio Kiran Challagundla tested positive on Thursday. The national camp, which began after a gap of three-and-half months on August 7, is facing an abrupt closure as many shuttlers including Sai Praneeth, Kidambi Srikanth and chief coach Pullela Gopichand came in contact with these two.