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Dose-response time modelling for highly pathogenic avian influenza A (H5N1) virus infection
Journal article   Open access   Peer reviewed

Dose-response time modelling for highly pathogenic avian influenza A (H5N1) virus infection

M. Kitajima, Y. Huang, T. Watanabe, H. Katayama and C. N. Haas
Letters in applied microbiology, v 53(4), pp 438-444
01 Oct 2011
PMID: 21790679
url
https://doi.org/10.1111/j.1472-765x.2011.03128.xView
Published, Version of Record (VoR)Open Access (License Unspecified) Open
url
https://doi.org/10.1111/j.1472-765X.2011.03128.xView
Published, Version of Record (VoR) Open

Abstract

Biotechnology & Applied Microbiology Life Sciences & Biomedicine Microbiology Science & Technology
Aims: To develop time-dependent dose-response models for highly pathogenic avian influenza A (HPAI) of the H5N1 subtype virus. Methods and Results: A total of four candidate time-dependent dose-response models were fitted to four survival data sets for animals (mice or ferrets) exposed to graded doses of HPAI H5N1 virus using the maximum-likelihood estimation. A beta-Poisson dose-response model with the N-50 parameter modified by an exponential-inverse-power time dependency or an exponential dose-response model with the k parameter modified by an exponential-inverse time dependency provided a statistically adequate fit to the observed survival data. Conclusions: We have successfully developed the time-dependent dose-response models to describe the mortality of animals exposed to an HPAI H5N1 virus. The developed model describes the mortality over time and represents observed experimental responses accurately. Significance and Impact of the Study: This is the first study describing time-dependent dose-response models for HPAI H5N1 virus. The developed models will be a useful tool for estimating the mortality of HPAI H5N1 virus, which may depend on time postexposure, for the preparation of a future influenza pandemic caused by this lethal virus.

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Biotechnology & Applied Microbiology
Microbiology
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