Scientists have identified 22 genes that explain why one common virus leaves many people unharmed but puts others at risk of chronic and sometimes lethal diseases.
An international research team from the pharmaceutical company AstraZeneca and US academic institutions discovered the traits, which make it harder for people to control levels of the Epstein-Barr virus (EBV).
The revelation offers the potential to help sufferers of illnesses linked to EBV, including lupus, heart disease and some tumours.
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