Why Anti-Vax Doctors Are Ordering 23andMe Tests

May 23, 2019

(The Atlantic) – The paper was titled “Genetic Basis for Adverse Events after Smallpox Vaccination,” and it came up in 2016 when a vaccine-skeptical doctor tried to argue that it explained her patient’s development delays. The court was not persuaded, but Reif’s co-authors began hearing of yet other doctors using DNA tests to exempt patients from vaccines. Just this month, San Francisco’s city attorney subpoenaed a doctor accused of giving illegal medical exemptions from vaccination, based on “two 30-minute visits and a 23andMe DNA test.” On anti-vaccine blogs and websites, activists have been sharing step-by-step instructions for ordering 23andMe tests, downloading the raw data, and using a third-party app to analyze a gene called MTHFR. Certain MTHFR mutations, they believe, predispose kids to bad reactions to vaccines, possibly even leading to autism—a fear unsupported by science.

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