The following is the transcript of an interview with National Institutes of Health Director Dr. Jay Bhattacharya that aired on "Face the Nation with Margaret Brennan" on Aug. 9, 2026. MARGARET BRENNAN: We're joined now by the Director of the National Institutes of Health, Dr. Jay Bhattacharya. DR. BHATTACHARYA: Yeah, I mean, I think the key thing is that when we find a contaminated source, we intervene. DR. BHATTACHARYA: I- I don't- I won't be able to tell you specifically what's on it because I don't think it's done yet. We don't know- if you ask me as a scientist, do I know why we've seen this rise in autism?