Health expert Marcus Longley warned that changes to the NHS in Wales, with fewer major A&E departments, could make the pressure on ambulances transferring patients worse, as response distances and times are increased.
Professor Longley said, though, that current problems lie within the system more broadly, and "the health service needs to get ahead of the problem, rather than just forever scrambling to catch up with it."
More top news
There were another 502 cases, taking the total to 4,591. However the real figure is thought to be far more as not everyone has been tested.
Volunteers want to ensure Llanidloes' vulnerable residents don't miss out on the Good Friday tradition of eating fish while isolating.
Tape was wrapped around exercise stations at Roath Park in Cardiff telling people not to use them because of coronavirus dangers.