Clouston syndrome [DOID:14693]
An ectodermal dysplasia that is characterized by abnormalities of the hair, nails, and skin, with the teeth and sweat glands being unaffected and that has_material_basis_in heterozygous mutation in the GJB6 gene, which encodes connexin-30, on chromosome 13q12.
obesity [DOID:9970]
An overnutrition that is characterized by excess body fat, traditionally defined as an elevated ratio of weight to height (specifically 30 kilograms per meter squared), has_material_basis_in a multifactorial etiology related to excess nutrition intake, decreased caloric utilization, and genetic susceptibility, and possibly medications and certain disorders of metabolism, endocrine function, and mental illness.
severe COVID-19 [DOID:0081013]
A COVID-19 that is characterized by any of (1) Oxygen saturation < 90% on room air, (2) Respiratory rate > 30 breaths/min in adults and children > 5 years old, 60 breaths/min in children < 2 months old, 50 in children 211 months old, and 40 in children 15 years old, or (3) signs of severe respiratory distress (accessory muscle use, inability to complete full sentences, and, in children, very severe chest wall indrawing, grunting, central cyanosis, or presence of any other general danger signs.