Dr. Ciaran Bannan:

We are seeing emerging potential patterns of pathology with long Covid. As Deputy Cullinane said, a lot of research is going on into long Covid and new papers are coming out all the time. There is a number of theories around what is causing it. It may be an autoimmune phenomenon or it may be related to changes in the blood vessels where the blood vessels have not returned to normal after a Covid infection. It may also be related to neurological issues at present. To date, studies have not shown much in the way of structural abnormalities to the brain. Further research is needed into that and further research is needed into all the other potential pathological mechanisms explaining long Covid. It is quite an exciting time for-----