Glandular fever is also known as infectious mononucleosis and is caused by a virus called the Ebstein Barr virus or EBV. EBV is so-called 'slow virus' and may persist in the body for a long time. This may be the reason why your daughter still feels tired and gets episodess of swollen glands in her neck. As it is now 2 years since the original infection which is longer than usual for symptoms of glandular fever to persist it is important for her to be seen by a doctor. It would be best if she is seen by a paediatrician who will do all the necessary tests.
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