EXHIBIT 2

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the persons named below agrees to the joint filing of a statement on Schedule 13D (including amendments thereto) with respect to the common stock, par value $0.001, of Advanced Biotherapy, Inc., a Delaware corporation, and further agrees that this Joint Filing Agreement be included as an exhibit to such filings. As contemplated by Section 13d-1(k)(1)(ii), no person shall be responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Joint Filing Agreement may be executed in any number of counterparts, all of which together shall constitute one and the same instrument.

Dated as of November 25, 2008

/s/ Richard P. Kiphart

Signature

Name/Title: Richard P. Kiphart

/s/ Michael P. Krasny, Trustee

Signature

Name/Title: Michael P. Krasny, Trustee of the Michael P. Krasny Revocable Trust

/s/ Simon Skurkovich

Signature

Name/Title: Simon Skurkovich, M.D.

/s/ Rebecca S. Kiphart

Signature

Name/Title: Rebecca S. Kiphart

/s/ Julia K. Gluck

Signature

Name/Title: Julia K. Gluck

/s/ John R. Capps

Signature

Name/Title: John R. Capps

/s/ Mathew Gooch

Signature

Name/Title: Matthew Gooch

/s/ David W. Valentine

Signature

Name/Title: David W. Valentine

/s/ Christopher W. Capps

Signature

Name/Title: Christopher W. Capps

/s/ Boris Skurkovich

Signature

Name/Title: Boris Skurkovich, M.D.

/s/ Carol Dorros

Signature

Name/Title: Carol Dorros, M.D.