Two members of the England tour party in South Africa have returned “unconfirmed positive tests” for coronavirus.
The tourists were tested on Saturday after two members of staff from the hotel where they are staying tested positive.
Sunday’s rearranged opening one-day international in Paarl was called off 30 minutes before the 08:00 GMT start.
England players and staff are self-isolating in their hotel rooms.
The opening match of the series on Friday was postponed after a South Africa player tested positive for coronavirus.
The South Africa squad was tested on Friday and all returned negative results.
The final two matches of the series are due to take place on Monday and Wednesday, before England fly home on Thursday.
More to follow.