[She shakes her head.] Seems odd though. I could maybe understand you being immune... your 51st century perks could give you help... maybe. But Ianto's as human as I am. And being next to the Rift is likely to affect him similar to the Time Vortex affecting me.
Still, other people switched.
[Maybe blood tests? But most of the people here would likely not want their blood drawn. And... she doesn't have all the equipment necessary thanks to the wardens' rules.]