Chronic Alcohol Consumption Increases the Severity of Murine Influenza Virus InfectionsThe Journal of Immunology, 2008, 181: 641-648.
Respiratory infections with both seasonal as well as potential
pandemic Influenza viruses represent a significant burden on
human health. Furthermore, viruses such as Influenza are increasingly
recognized as important etiologic agents in community acquired
pneumonia. Within the U.S. alone,

12.9 million people are heavy
drinkers and chronic abuse of alcohol is known to increase the
risk and severity of community acquired pneumonia.
Given the
lack of knowledge regarding Influenza disease in this population,
we determined the effects of chronic alcohol consumption on
Influenza virus infection.
Herein, we report that mice exposed
to chronic ethanol have sharp increases in morbidity, mortality,
and pulmonary virus titers relative to controls. These increases
in influenza severity correspond with inhibited pulmonary influenza-specific
CD8 T cell responses. Further, chronic ethanol consumption results
in an enhanced pulmonary lesion severity, similar to that recently
described for pandemic influenzas.
Together, our results suggest
that chronic alcohol consumption may increase the risk for severe
influenza virus infections by altering the pulmonary inflammatory
environment and CD8 T cell response.
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Request Repint E-Mail: kevin-legge@uiowa.edu
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There are certain cherished sayings we could probably live without. And by "live" I mean exactly that. Here's one redolent, supposedly, of the Scottish national character: Freedom and whisky gang thegither. What's wrong with that sentiment? Perhaps the fact that it is only slightly less egregious, muddled and downright dangerous than asserting that alcopops and human dignity combine nicely.