The John Cunningham Virus, also known as the JC virus, is a typically harmless virus.
It is found in the blood samples of 70 to 90 percent of people worldwide.
Children with JC virus often show no symptoms. The JC virus can also be found in the body much later in life without complications. It is commonly found in the kidneys, bone marrow, and some body tissues.
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| The risk of PML is higher in people who take certain medications to treat multiple sclerosis. |
Source: medicalnewstoday
