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Animal Viruses, Bacteria, and Cancer: A Brief Commentary
Journal article   Open access   Peer reviewed

Animal Viruses, Bacteria, and Cancer: A Brief Commentary

Jimmy T Efird, Stephen W Davies, Wesley T O’Neal and Ethan J Anderson
Frontiers in public health, Vol.2, pp.14-14
02/13/2014
DOI: 10.3389/fpubh.2014.00014
PMCID: PMC3923154
PMID: 24592380
url
https://doi.org/10.3389/fpubh.2014.00014View
Published (Version of record) Open Access

Abstract

Animal viruses and bacteria are ubiquitous in the environment. However, little is known about their mode of transmission and etiologic role in human cancers, especially among high-risk groups (e.g., farmers, veterinarians, poultry plant workers, pet owners, and infants). Many factors may affect the survival, transmissibility, and carcinogenicity of these agents, depending on the animal-host environment, hygiene practices, climate, travel, herd immunity, and cultural differences in food consumption and preparation. Seasonal variations in immune function also may increase host susceptibility at certain times of the year. The lack of objective measures, inconsistent study designs, and sources of epidemiologic bias (e.g., residual confounding, recall bias, and non-randomized patient selection) are some of the factors that complicate a clear understanding of this subject.
Epidemiology Public Health Bacteria infection cancer animal viruses

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