Mae cleifion sydd wedi cael llawdriniaeth o’r math hwn ers 2013 yn cael gwybod bod risg isel y gallent fod wedi dal yr haint hwn. Y risg yw oddeutu un achos ym mhob 5,000 o lawdriniaethau.
Patients who have received such surgery since 2013 will be told they are at low risk of having contracted this infection.  The risk to patients is around one case in 5,000 operations.