Epidemiological and Clinico-Pathological Factors of COVID-19 in Children is organized into four sections: ’Introduction', ’Ethio-Pathogenetic Factors', ’Epidemiology', and ’Clinico-Pathological Factors'. Chapters address such topics as the role of angiotensin-converting enzyme 2 (ACE2) receptor expression in COVID-19, epidemiological factors in South Africa, Mexico, and Türkiye compared to other countries in the world, the link between 4-hydroxynonenal (HNE) and sleep and cognitive disturbances in children with COVID-19, and more.