In a Nov. 19 "Book Club" entry, Virginia Heffernan mistakenly referred to Tom Wolfe's two daughters. In fact, Wolfe has a son and a daughter.

In a Nov. 16 "Medical Examiner," Jon Cohen did not intend to imply that the book Vaccine A stated that a flu vaccine licensed in Europe "has been safely injected into tens of millions of people." In fact, the book questions the safety of that vaccine, but does not explicitly state how many people it has been injected into. Cohen stated that the vaccine "has been safely injected into tens of millions of people." This figure was taken from the Department of Defense Web site; according to Chiron Corporation, the vaccine's maker, the vaccine has been safely injected into more than 10 million people. Also, Cohen incorrectly wrote that Wyeth made an FDA-licensed tetanus vaccine and Connaught made an FDA-licensed diphtheria vaccine. The error, however, was originally made by Gary Matsumoto's in Vaccine A, and Cohen did not notice it. In fact, Wyeth made an FDA-licensed diphtheria vaccine and Connaught, which is part of what's now called Aventis Pasteur, made an FDA-licensed tetanus vaccine.

In the Nov. 23, "Today's Papers," Eric Umansky incorrectly stated a ranch owner said, "Welcome to Marlboro Country." In fact, it was a ranch security guard who said that.

If you believe you have found an inaccuracy in a Slate story, please send an e-mail to corrections@slate.com, and we will investigate. General comments should be posted in "The Fray," our reader discussion forum.