Canadian DNA lab knew its paternity tests identified the wrong dads, but it kept selling them – CBC

Testing by Viaguard-Accumetrics seemed to use guesswork over science, some ex-employees say

Apr 09, 2024

A Canadian DNA laboratory knowingly delivered prenatal paternity test results that routinely identified the wrong biological fathers — ruling out the real dads — and left a trail of shattered lives around the globe, a CBC News investigation has found.

Harvey Tenenbaum, the owner of Viaguard Accu-Metrics, told a CBC producer with a hidden camera during a conversation in his office that prenatal paternity test results that his laboratory produced for about a decade were “never that accurate.”

The hidden camera conversation unfolded in the midst of a months-long CBC News investigation into a years-long pattern of erroneous results produced by Viaguard’s non-invasive prenatal paternity testing. The test — if done correctly — matches DNA from a fetus that is in a mother’s blood with the biological father’s DNA.

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