No, this is not the beginning of a Scrabble® game. PML stands for Progressive Multifocal Leukoencephalopathy. Is that even more confusing? Let's pull apart the alphabet soup and learn more about this disease that you may have heard something about. There is a childhood virus that some of us get, but don't even realize, called the JC virus. Most people have no idea that they contracted the virus. The JC virus can get reactivated and cause a serious brain disease called PML in rare occasions...
