According to the CDC, swine influenza A (H1N1) is a flu virus that normally infects pigs. Occasionally the virus mutates so that it can infect humans, and since the human immune system is not properly equipped to deal with the virus it can be quite a serious infection. →
I never used Geocities, but I can't help agreeing that even if Yahoo! is going to discontinue the service, they shouldn't let all that content just drop into the bit bucket of history. →