Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 13, Number 10—October 2007
Dispatch

Chlorine Inactivation of Highly Pathogenic Avian Influenza Virus (H5N1)

Eugene W. Rice*Comments to Author , Noreen J. Adcock*, Mano Sivaganesan*, Justin D. Brown†, David E. Stallknecht†, and David E. Swayne‡
Author affiliations: *US Environmental Protection Agency, Cincinnati, Ohio, USA; †University of Georgia, Athens, Georgia, USA; ‡US Department of Agriculture, Athens, Georgia, USA;

Main Article

Table 1

Ct values (mg-min/L) for inactivation of HPAI (H5N1) virus by free chlorine at 5ºC*

Strain
pH
Log10 inactivation
1.0
2.0
3.0
Hong Kong† 7 0.14 0.27 0.41
8 0.26 0.53 0.79
Mongolia‡ 7 0.13 0.26 0.39
8 0.23 0.46 0.68

*Ct, 0.5(C0 + C0.5)/2 + C0.5 [1–exp (–k (t–0.5) ]/k, where C0 = chlorine concentration at time zero (mg/L); C0.5, chlorine concentration at 0.5 min (mg/L); k, exponential chlorine decay rate; t = time (min). HPAI, highly pathogenic avian influenza.
†A/chicken/Hong Kong/D-0947/2006.
‡A/WhooperSwan/Mongolia/244/2005.

Main Article

Page created: July 06, 2010
Page updated: July 06, 2010
Page reviewed: July 06, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position 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.
file_external