About the Authors
Microbiology, Immunology and Pathology Department, Colorado State University, Fort Collins, Colorado, United States of America
Alexion Antibody Technologies, San Diego, California, United States of America
Division of Vector-Borne Infectious Diseases, Centers for Disease Control, Fort Collins, Colorado, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ARH SF TM JTR. Performed the experiments: ARH TM. Analyzed the data: ARH SF TM JTR CDB. Contributed reagents/materials/analysis tools: SF JTR CDB. Wrote the paper: ARH JTR CDB.