"Is there anything else that you can tell me about it? Does it itch? Is it painful?"
"No, not really," my patient said. Patrick was a quiet, thin man of 22. I asked him a few questions about himself. He told me he worked in the biology department of a local university and that he had come from Vietnam eight years ago. He had not traveled outside the United States since then. He had family in a nearby town and lived in an apartment off campus.
