Wondering about smallpox? A lot of people are. The answer is: If you're old enough to have that big round scar on your arm, it's no use - the power of the vaccine wore off a while ago. And no, neither you or yours can go down to the doctor and get vaccinated. The (sort of) good news is that even before the anthrax attacks, President Bush ordered that an acceleration of the process to get enough doses of the vaccine for everyone in the country. Here's a New York Times article on the current status of smallpox.