The California Department of Public Health started universal newborn screening for Pompe disease in August 2018 with a two-tier process including: 1) acid alpha-glucosidase (GAA) enzyme activity assay followed by. 2) GAA gene sequencing analysis. This study examines results from the first year of screening in a large and diverse screening population. With 453. https://seriouswatchers.shop/product-category/nylon-straps/