Long COVID refers to new or recurring symptoms that occur four or more weeks after an infection with SARS-CoV-2, the virus that causes COVID-19.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
Childhood depression is indicated by persistent feelings of sadness that interfere with the ability to function in daily life. Learn about symptoms and treatment.
HIV is a retrovirus that impairs the immune system and causes AIDS. Learn about symptoms and treatment.
Multiple sclerosis (MS) presents with a variety of symptoms, and advanced imaging is one of the best ways doctors can verify a patient's diagnosis. Learn more about this procedure.
Measles is a contagious virus commonly seen in children that causes fever, cough, runny nose, and pneumonia. Learn about symptoms and treatment.
Condition marked by inflammation of the stomach and intestines.