Anxiety, Body mass index, COVID-19, Cancers, Cardiovascular and circulatory diseases, Chronic kidney diseases, Cognitive assessment, Cohort study, Diabetes, Disease outbreaks, Endocrine disorders, Epilepsy, Fatigue, Guillain-Barre syndrome, Health care use, Hospitals, Hypercholesterolemia, Immune system disorders, Injuries, Intensive care units, Interventions, Length of stay, Mental and behavioral disorders, Mental health symptoms, Migraine, Motor neuron disease, Multiple sclerosis, Musculoskeletal diseases, Neurological conditions, Outpatient facilities, Paralysis, Parkinson's disease, Polio, Pulmonary arterial hypertension, SF-36, Seizures, Sense organ diseases, Sleep disorders, Stroke, Symptoms, Tobacco smoking, Unipolar depressive disorders, Ventilators, Vision loss, Long COVID