Not quite a legal blog, or BLAWG, David Webber's page, AIDs and the Law cover a lot of the legal aspects surrounding HIV and AIDs. As a Pennsylvania Attorney, much of his site focuses upon Pennsylvania law, but a good amount covers a broader spectrum than that.
David Webber is a founder of the AIDs Law Project of Pennsylvania, which is a non profit public interest law firm.
Some Delaware resources include:
The Delaware HIV Consortium