Glandular fever is a viral infection associated with a high fever.
It's also known as infectious mononucleosis or kissing disease it was realised that that the infection was passed on through saliva - for example, by kissing and that it is more common in teens!
Glandular fever is caused by the Epstein-Barr virus. This virus can attack only two kinds of cell in the body: those in the salivary glands and white blood cells.
The infection begins in the salivary glands, that release large amounts of the virus into the saliva. The infection spreads to the white blood cells, causing them to multiply, and causing the lymph glands to swell up and become painful. Once infected, the virus remains dormant in the body's cells for the rest of a person's life.
But there is some good news! A vaccine against the Epstein-Barr virus is under development. The infection is most contagious during the feverish stage, when contact with others should be avoided.
Recovery may take a week or two. In a small proportion of cases, the tiredness may go on for several weeks, and it may be aggravated by exertion. It is important that someone with glandular fever rests as much as possible and that they do not take part in strenuous sports for a month after the infection.
I hope he feels better soon!
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