Abstract

Molecular diagnostic testing using DNA from saliva specimens markedly increased recently due to the ease of sample collection, compared to peripheral blood, during the COVID-19 pandemic. Published literature suggests that DNA from saliva is primarily composed of epithelial cells (70-90%), with the remainder being primarily leukocytes (10-30%). Here, we describe a case followed by our clinicians since 2007 characterized by developmental delay, autism, a somewhat coarse face with full cheeks, up-slanting palpebral fissures, thin corpus callosum, and a full-scale IQ of 60.

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