The two "unconfirmed positives" in the England squad are not infected, further testing and analysis has revealed.
Unconfirmed positive COVID-19 tests caused the first ODI to be called off and now England's whole tour of South Africa has been cancelled.
South Africa and England have been hit by a fresh setback, with their ODI series looking increasingly unlikely to get under way.
Two England players returned unconfirmed positive tests for COVID-19, forcing the abandonment of the first ODI with South Africa in Paarl.
The first ODI between England and South Africa has been moved to Sunday after one of the hosts' players tested positive for coronavirus.
A second Twenty20 international ton evaded Dawid Malan on Tuesday, but Wednesday's rankings update brought a new landmark.
England's Dawid Malan and Jos Buttler set a world record in T20 internationals as they cruised to a third straight win over South Africa.
Dawid Malan managed 30 runs off his final 10 deliveries at the crease, helping England earn a four-wicket win in Paarl.
England chased down 180 to defeat South Africa at Newlands as they started their tour on a high.
South Africa and England get what promises to be a thrilling Twenty20 International series under way at Newlands on Friday.