"You have to tell them because this is the minimum honesty, you have to make sure you tell the patient there's a remote possibility they could get infected, otherwise you are really hiding very important information from them, " he told File on 4.

BBC: Organ transplants' hidden risk

So now -- the folks here have been very patient, so all of you who are watching this live-streaming online, we're actually going to have some live stuff instead of some virtual stuff.

WHITEHOUSE: Online Town Hall