Figures released by the UW athletic department on Thursday showed 21 athletes testing positive among 259 who were tested between June 8 and Wednesday. That's a positive rate of 8.1%, nearly double the rate reported in the last update in July.
On July 8, UW said seven athletes had been diagnosed with COVID-19 from 171 who had taken part in testing after returning to campus, a 4.1% rate.
The initial report in June had two athletes testing positive from 117 tests (1.7%).
Those who test positive have been isolated according to UW's protocols and its Infection Response Team has monitored their recovery and conducted contact tracing.