West Nile Virus Quantification In Feces Of Experimentally Infected American And Fish Crows

Authors

Aaron Kipp, Centers for Disease Control and Prevention
Jennifer Lehman, Centers for Disease Control and Prevention
Richard Bowen, Colorado State UniversityFollow
Patricia Fox, Colorado State University
Michael Stephens, Bolling Air Force Base
Kaci Klenk, Bolling Air Force Base
Nicholas Komar, Centers for Disease Control and Prevention
Michel Bunning, Centers for Disease Control and Prevention

Date of this Version

2006

Citation

The American Society of Tropical Medicine and Hygiene 75(4), 2006, pp. 688–690

Abstract

To better understand the potential environmental health risk presented by West Nile virus (WNV)- contaminated feces, we quantified the amount of WNV present in the feces of experimentally infected American crows (Corvus brachyrhynchos) and fish crows (Corvus ossifragus). Peak fecal titers ranged from 10^3.5 to 10^8.8 plaque-forming units (PFU)/g for 10 American crows and from 10^2.3 to 10^6.4 PFU/g for 10 fish crows. The presence of infectious WNV in bird feces indicates a potential for direct transmission of WNV. Thus, handlers of sick or dead birds should take appropriate precautions to avoid exposure to fecal material.