Two new studies report improved statistics to predict whether an individual participated in a genome-wide association study based on aggregate allele or genotype frequency information. They demonstrate that it may be possible to release summary statistics for a subset of genetic markers in a study while maintaining individual privacy.
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Schork, N., Bansal, V. Not so lost in the genetic crowd. Nat Genet 41, 1163–1164 (2009). https://doi.org/10.1038/ng1109-1163
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DOI: https://doi.org/10.1038/ng1109-1163