The studies on mechanical transmission of Cryptosporidium parvum were supported by the Maryland Sea Grant, College Park, Md. (grant no. R/F-88), U.S. Environmental Protection Agency, Washington, D.C. (grant no. R824995), the Center for a Livable Future, Johns Hopkins University, Baltimore, Md. (grant no. H040-951-0180), and the NATO Collaborative Linkage Grant, Brussels, Belgium (grant no. CLG 979765).
* Corresponding author. Mailing address: Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205. Phone: (410) 614-4984. Fax: (410) 614-4984. E-mail: [email protected]