Congenital disordersAtlantoaxial Subluxation in a 10-Year-Old Girl With Down Syndrome: A Case Report Posted on August 23, 2023August 23, 2023 by yun 23 Aug Specialty yun At-Home Flu Tests Are Surprisingly Accurate—So Why Don’t We Have One Yet? High levels of exposure to Covid virus may reduce protection from vaccination, prior infection: Study