Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses

ABSTRACT Viral infections have a major impact on physiology and behavior. The clinical symptoms of human rotavirus and norovirus infection are primarily diarrhea, fever, and vomiting, but several other sickness symptoms, such as nausea, loss of appetite, and stress response are never or rarely discu...

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Main Authors: Arash Hellysaz, Magdalena Neijd, Timo Vesikari, Lennart Svensson, Marie Hagbom
Format: Article
Language:English
Published: American Society for Microbiology 2023-04-01
Series:mBio
Subjects:
Online Access:https://journals.asm.org/doi/10.1128/mbio.03567-22
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author Arash Hellysaz
Magdalena Neijd
Timo Vesikari
Lennart Svensson
Marie Hagbom
author_facet Arash Hellysaz
Magdalena Neijd
Timo Vesikari
Lennart Svensson
Marie Hagbom
author_sort Arash Hellysaz
collection DOAJ
description ABSTRACT Viral infections have a major impact on physiology and behavior. The clinical symptoms of human rotavirus and norovirus infection are primarily diarrhea, fever, and vomiting, but several other sickness symptoms, such as nausea, loss of appetite, and stress response are never or rarely discussed. These physiological and behavioral changes can be considered as having evolved to reduce the spread of the pathogen and increase the chances of survival of the individual as well as the collective. The mechanisms underlying several sickness symptoms have been shown to be orchestrated by the brain, specifically, the hypothalamus. In this perspective, we have described how the central nervous system contributes to the mechanisms underlying the sickness symptoms and behaviors of these infections. Based on published findings, we propose a mechanistic model depicting the role of the brain in fever, nausea, vomiting, cortisol-induced stress, and loss of appetite.
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spelling doaj.art-d6dc403fc7c24181a9f72f1ffc1e7ca32023-04-25T13:04:57ZengAmerican Society for MicrobiologymBio2150-75112023-04-0114210.1128/mbio.03567-22Viral Gastroenteritis: Sickness Symptoms and Behavioral ResponsesArash Hellysaz0Magdalena Neijd1Timo Vesikari2Lennart Svensson3Marie Hagbom4Division of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, SwedenDivision of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, SwedenNordic Research Network Oy, Tampere, FinlandDivision of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, SwedenDivision of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, SwedenABSTRACT Viral infections have a major impact on physiology and behavior. The clinical symptoms of human rotavirus and norovirus infection are primarily diarrhea, fever, and vomiting, but several other sickness symptoms, such as nausea, loss of appetite, and stress response are never or rarely discussed. These physiological and behavioral changes can be considered as having evolved to reduce the spread of the pathogen and increase the chances of survival of the individual as well as the collective. The mechanisms underlying several sickness symptoms have been shown to be orchestrated by the brain, specifically, the hypothalamus. In this perspective, we have described how the central nervous system contributes to the mechanisms underlying the sickness symptoms and behaviors of these infections. Based on published findings, we propose a mechanistic model depicting the role of the brain in fever, nausea, vomiting, cortisol-induced stress, and loss of appetite.https://journals.asm.org/doi/10.1128/mbio.03567-22rotavirusnorovirussickness symptomsbrainhypothalamusbehavioral responses
spellingShingle Arash Hellysaz
Magdalena Neijd
Timo Vesikari
Lennart Svensson
Marie Hagbom
Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
mBio
rotavirus
norovirus
sickness symptoms
brain
hypothalamus
behavioral responses
title Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
title_full Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
title_fullStr Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
title_full_unstemmed Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
title_short Viral Gastroenteritis: Sickness Symptoms and Behavioral Responses
title_sort viral gastroenteritis sickness symptoms and behavioral responses
topic rotavirus
norovirus
sickness symptoms
brain
hypothalamus
behavioral responses
url https://journals.asm.org/doi/10.1128/mbio.03567-22
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AT timovesikari viralgastroenteritissicknesssymptomsandbehavioralresponses
AT lennartsvensson viralgastroenteritissicknesssymptomsandbehavioralresponses
AT mariehagbom viralgastroenteritissicknesssymptomsandbehavioralresponses