[jjcon]

> 19 years old and in turn cites a paper that reported “genotyping whole-genome-amplified DNA” from up to 25 year old blood spots

You are notably omitting that those specific samples were kept at -20° C. I don’t know any country that does that for their Guthrie samples.

[sammax]

I did actually miss that. But my point is that none of the papers established a limit at 10 years and it’s not clear at all how the authors came up with that number.