Only one person tested positive in the USL Championship and USL League One, the organization announced Tuesday.
The United Soccer League said that 1,297 tests were administered to players and club staff from the 31 Championship clubs between May 10-16, with no individuals testing positive.
The USL confirmed that 335 tests were administered to players and club staff from the 12 League One clubs between May 10-16, with one individual testing positive.
Players or club staff who test positive will self-isolate in line with the guidelines provided by the USL and only those who have tested negative will be permitted to enter training ground facilities. Anyone identified via contact tracing also will be quarantined and tested.