Mm... Should anyone else leave the barrier, we'll have to request that they collect another sample.

[ As for his bacteria theory... She appears to consider his theory, then shakes her head, deciding to offer two counterpoints: ] Ah... I'm not so sure. Even should all the bacteria be systemically eradicated by the toxin within us, it would take time of one to experience the effects. The atmosphere outside the barrier effects us almost immediately.

[ A pause. ] And, there are those here whose bodies are not human, and possibly do not house bacteria within themselves to begin with. [ Case in point: herself. ] Yet, they're still effected by the toxin as anyone else.