The woman in question lives in Ohio. In Ohio, a felony conviction means you can't vote while in prison (in this case for 10 days); once released, even on parole, you can vote. See http://felonvoting.procon.org/view.resource.php?resourceID=2... for the nice table.

In fact, a felony conviction only carries permanent loss of voting rights in only 12 states out of 50 according to that table.

Now I agree that there lots of other impacts of a felony conviction; the article mentions it being a bar to being a teacher in some cases, for example, and reading the relevant Ohio law she would be unable to hold public office in Ohio or to sit on a jury. And clearly if the woman were to move to one of those 12 states she would not be able to register to vote there.... But it's not as cut-and-dried as "could no longer vote".