PCB on Thursday confirmed that all 128 COVID-19 tests on the players, support staff, match officials, broadcasters and team owners of the PSL have turned out to be negative.
Hales among a number of overseas cricketers who left the PSL last week due to uncertainty over travel restrictions and possible quarantine scenario.
PCB CEO Wasim Khan also said that a foreign player, who participated in the league, is suspected to have coronavirus.
The 33-year-old McClenaghan was plying his trade for Karachi Kings in the fifth edition of the T20 competition.
The majority number of positive COVID 19 cases have been recorded in Karachi and the Sindh province with the total rising to 24 as on Thursday.