Advertisement

Can a blood test assess my progressive multifocal leukoencephalopathy risk?

Because most adults encounter the JC virus (JCV), which causes progressive multifocal leukoencephalopathy (PML), at some point in their lives, simply confirming the presence of antibodies to it does not tell us very much. There are blood tests that look for the virus itself in the bloodstream and some doctors believe that finding large numbers of the virus there could mean that a person is at higher risk for PML, but this has not been confirmed.

Continue Learning about Viral Infections

Why You Should Be Paying Attention to West Nile Virus
Why You Should Be Paying Attention to West Nile Virus
During the sultry months of summer, mosquitos are usually just a nuisance when you spend time outdoors. But when they hold the potential to pass on se...
Read More
Is there a link between the Zika virus and Guillain-Barre syndrome?
Univ. of Nev. School of Medicine, Family MedicineUniv. of Nev. School of Medicine, Family Medicine
There is a link between the Zika virus and Guillain-Barre syndrome. A small number of people who hav...
More Answers
What is antigenic shift?
Anthony L. Komaroff, MDAnthony L. Komaroff, MD
The virus known as influenza is a quick-change artist that eludes the human immune response by m...
More Answers
What Time of Year Do Most Viral Infections Occur?
What Time of Year Do Most Viral Infections Occur?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.