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Updated: Aug 20, 2026

Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 (BSL-3) Conditions
07:59

Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 (BSL-3) Conditions

Published on: September 10, 2021

Viruses that multiply in the gut and cause endemic and epidemic gastroenteritis

P J Middleton1

  • 1Provincial Laboratory, B.C. Centre for Disease Control, 828 West 10th Avenue, Vancouver, B.C., Canada V5Z 1L8.

Clinical and Diagnostic Virology
|August 1, 1996
PubMed

Insights

Viral enteritis is a common cause of childhood diarrhea, often more frequent than bacterial infections in developed nations. Early diagnosis and management, including rehydration therapy, are crucial for young patients.

Area of Science:

  • Pediatric infectious diseases
  • Gastroenterology
  • Virology

Background:

  • Acute infectious diarrhea is a major cause of illness and death in young children globally.
  • In developed countries, infectious enteritis is a significant childhood morbidity cause, second only to respiratory infections.

Purpose of the Study:

  • To identify viral agents responsible for enteritis in children.
  • To elucidate the pathogenesis, clinical presentation, epidemiology, and diagnostic methods for viral enteritis.

Main Methods:

  • Literature review of pertinent studies on viral enteritis.
  • Recall of findings from investigations by colleagues in the field.

Main Results:

  • Identified viruses include Rotaviruses, Adenoviruses, Caliciviridae (e.g., Norwalk virus), Astrovirus, Coronavirus, Torovirus, Cytomegalovirus (CMV), and Picobirnavirus.
  • Viral replication occurs in small intestinal villi, leading to watery diarrhea and sometimes vomiting and fever. Diagnostic tools include electron microscopy (EM), ELISA, and PCR.
  • Viral shedding in stool typically lasts 3-7 days.

Conclusions:

  • Viral enteritis in young children can be up to three times more prevalent than bacterial gut disease in developed countries.
  • Non-bloody stools and absence of white blood cells are characteristic, except in cases of CMV involvement.
  • Management focuses on rehydration therapy, either intravenous for severe dehydration or oral for milder cases.
Abstract

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