Yes. Lots of them. There was an interesting interview on News and Notes on NPR about Dr. Joe Freeman and his attempts to set up a clinic in the refugee center in Jennings, LA, right outside the New Orleans boundary.

This is the blurb at the link:

Katrina:
Doctor's Mission: Help Hurricane Survivors
As relief efforts continue along the Gulf Coast, Dr. Joe Freeman is doing everything he can to help. The Louisiana physician talks with Farai Chideya.

SRS