Infectious virus hidden in chromosomes during latency can be passed from parents to children

Monday, March 15, 2010 - 07:35 in Health & Medicine

Human herpesvirus 6 (HHV-6) infects nearly 100 percent of humans in early childhood, and the infection then lasts for the rest of a person's life. Now, a team led by Peter Medveczky, MD, a professor in the Department of Molecular Medicine at the University of South Florida (USF), has discovered that in some individuals, HHV-6 causes such a permanent infection by inserting or 'integrating' its DNA into human chromosomes. From this harbour, the viral DNA cannot be eliminated by the immune system...

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