Or conversely "Chronic Fatigue Syndrome" could be an outcome that happens from time to time after different viral infections, COVID-19 just being the latest one

Or conversely "Chronic Fatigue Syndrome" could be an outcome that happens from time to time after different viral infections, COVID-19 just being the latest one of these. > The cause of chronic fatigue syndrome is unknown, although there are many theories — ranging from viral infections https://www.mayoclinic.org/diseases-conditions/chronic-fatigue-syndrome/symptoms-causes/syc-20360490 https://www.mayoclinic.org/diseases-conditions/chronic-fatig...