title: Response to: Comment on "Cryptosporidium Infection Risk: Results of New Dose-Response Modeling"--Discussion of Underlying Assumption and Their Implications.
authors.affiliation: USEPA Office of Ground Water and Drinking Water (4607M), Washington, DC, USA.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Messner
authors.affiliation: USEPA Office of Ground Water and Drinking Water (4607M), Washington, DC, USA.
authors.forename: Philip
authors.initials: P
authors.lastname: Berger