Dr. Siobh?n N? Bhriain:

They range across a number of areas. We would describe them as neuropsychological symptoms, including attention impairment, which is the commonest one, fatigue, anxiety and distress. People can experience dizziness, which is sometimes related to severe fatigue, and other autonomic symptoms, as discussed this morning. There are a range of symptoms across the neurological area, including muscle pain and aches.