Not only is Washington, D.C. the capital for the US government.

It is also the capital of the AIDS epidemic for the whole US.

 http://www.iht.com/articles/2006/06/25/news/notes.php

Only two decades after certain famous people working in D.C. at the time disputed that AIDS was a problem for anyone other than "Haitians and homosexuals", the city has an AIDS infection rate higher than anywhere else in the country.

I guess they missed a few people in their estimation of the threat the virus posed.

Considering the difficulty their successors are having to verify nationality within the borders of the country, it is amazing that they put so much faith in a virus's ability & desire to do so.

Live and learn.