5,500 women across Wales are being contacted over fears that they may have been passed the Hepatitis C virus by a healthcare worker.
Patients will receive letters, offering them advice and a blood test. The tests begin on Friday, and continue for the next few weeks.
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Ken Owens has lamented poor discipline from Wales that effectively saw the whistle blown on their NatWest 6 Nations title hopes.
After a frosty start it will be dry and fine with plenty of sunshine and virtually cloud-free skies.
Carlos Carvalhal admits his gamble backfired as Swansea dropped back into the relegation zone after being thumped 4-1 by Brighton.