Emerging Infectious Disease ISSN: 1080-6059

Genetic Polymorphism Among Cryptosporidium parvum Isolates: Evidence of Two Distinct Human Transmission Cycles

Michael M. Peng*, Lihua Xiao†, Amanda R. Freeman†, Michael J. Arrowood†, Ananias A. Escalante†, André C. Weltman‡, Corinne S.L. Ong¶, William R. Mac Kenzie†, Altaf A. Lal†, and Charles B. Beard†

Author affiliations: *The University of Michigan, Ann Arbor, Michigan, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡Pennsylvania Department of Health, Harrisburg, Pennsylvania, USA; and ¶University of British Columbia, British Columbia, Canada

Main Article

Top of Page

The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.