Osteoarthritis is a degenerative joint disease that affects the cartilage, underlying bone, and synovial fluid. It leading cause of disability chronic pain, affecting approximately 10 % men 18 women over age 60 worldwide . This literature review aims to summarize current understanding OA with regards its prevalence, risk factors, clinical manifestation, diagnosis, treatment.

COVID-19 is an infectious disease caused by a new coronavirus first discovered in 2019. The infection has spread rapidly throughout the world and affects people of all ages. Thus, 12.7% SARS-CoV-2 patients are children. Purpose - to establish clinical paraclinical manifestations course children, depending on age predict severity disease’s manifestation. Materials methods. 60 children aged from ...