The initial public health emergency proposal was drafted by the CDC in 1999. Still in the CDC's draft form, Lawrence O. Gostin, an attorney and professor at Georgetown University in Washington, D.C. began reworking the document during the anthrax letter attacks in 2001, using funds provided by the CDC. Gostin's produced a preliminary draft on October 23, before releasing a second draft in December 2001. Gostin stated that it took him three to four weeks to prepare the act.