Prospective study of etiologic agents of acute gastroenteritis outbreaks in child care centers

Whitney H Lyman1, Joan F Walsh, Jonathan B Kotch

  • 1Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC, USA.

The Journal of Pediatrics
|September 12, 2008
PubMed

Insights

Viruses frequently cause acute gastroenteritis (AGE) outbreaks in childcare centers. Environmental contamination is common during these outbreaks, highlighting the need for effective disinfection strategies against multiple viruses.

Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Background:

  • Acute gastroenteritis (AGE) outbreaks are common in childcare settings.
  • Identifying the causative agents of AGE in children is crucial for implementing effective control measures.

Purpose of the Study:

  • To investigate the specific viral etiologies of acute gastroenteritis outbreaks in North Carolina childcare centers.
  • To assess the role of environmental contamination in the transmission of gastroenteritis viruses within these facilities.

Main Methods:

  • A prospective study was conducted on 29 outbreaks of AGE in childcare centers.
  • Stool specimens and environmental swabs were analyzed for common gastroenteritis viruses (adenovirus, astrovirus, norovirus, rotavirus, sapovirus) using PCR and sequencing.

Main Results:

  • Single viruses caused 45% of the evaluated outbreaks, with rotavirus group A being the most frequent (17%).
  • Multiple viruses were detected in 10% of outbreaks.
  • Environmental contamination was detected in 59% of outbreaks, with viruses matching those found in stool samples in 45% of cases.

Conclusions:

  • Viral pathogens are significant contributors to acute gastroenteritis outbreaks in childcare settings.
  • Widespread environmental contamination observed during outbreaks underscores the importance of disinfection protocols.
Abstract

Related Concept Videos

Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...