People with chronic fatigue syndrome describe a propensity to become physically tired, as well as an inability to focus and concentrate in the way they would normally.
viral infections
Novel coronavirus – COVID-19
Symptoms of COVID-19, caused by the 2019 novel coronavirus, include fever, cough and shortness of breath. Find out how to protect yourself.
Coronavirus (COVID-19) – Protecting yourself and your family
Find out how to protect yourself and your family from the coronavirus disease COVID-19.