Long COVID occurs when symptoms—new, continuing, or recurrent—arise four or more weeks after the initial coronavirus infection.
MIS-C is an inflammatory syndrome that affects children and is associated with COVID-19.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Fatigue is a common side effect of treatment for cancer. Learn more about symptoms and treatment.
Fibromyalgia is a disorder that causes fatigue and a pattern of unexplained mild-to-intense pain throughout the body. Learn about symptoms and treatment.
Concussion testing is done when a person experiences a minor head trauma, typically caused by blunt trauma to the head.
A concussion is a type of traumatic brain injury that leads to short-term impairment of mental function.