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Updated: May 7, 2026

Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR
Published on: July 22, 2012
Pediatric norovirus infection
S Esposito1, B Ascolese, L Senatore
1Pediatric Clinic 1, Department of Pathophysiology and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Via Commenda 9, 20122, Milan, Italy, susanna.esposito@unimi.it.
Insights
Noroviruses (NoVs) cause frequent, contagious pediatric gastroenteritis, leading to hospitalizations. More data is needed on childhood NoV impact, other infections, and socioeconomic effects while awaiting vaccines.
Area of Science:
- Pediatric Gastroenterology
- Infectious Diseases
- Epidemiology
Background:
- Noroviruses (NoVs) are a leading cause of acute pediatric gastroenteritis.
- Despite being often self-limiting, NoV infections cause significant morbidity due to high contagiousness.
- NoVs account for a substantial percentage of both outbreak-related and sporadic pediatric gastroenteritis cases.
Purpose of the Study:
- To highlight the significant public health burden of Norovirus in children.
- To underscore the need for further epidemiological research on childhood NoV infections.
- To identify key areas for future research, including age-specific impacts, non-gastroenteritis roles, and socioeconomic consequences.
Main Methods:
- This study is a review of existing literature and epidemiological data on Norovirus in pediatric populations.
- Analysis of reported outbreak and sporadic case data for Norovirus-induced gastroenteritis in children.
- Synthesis of information regarding disease severity, hospitalization rates, and reported fatalities in immunocompromised children.
Main Results:
- Noroviruses are responsible for 47-96% of pediatric gastroenteritis outbreaks and 5-36% of sporadic cases.
- NoV-induced gastroenteritis frequently leads to hospitalization in children.
- Severe and fatal cases have been documented in immunocompromised pediatric patients.
Conclusions:
- There is an urgent need for comprehensive epidemiological data on childhood Norovirus infections.
- Further research should investigate the impact across different pediatric age groups and potential roles in non-gastrointestinal infections.
- Understanding the socioeconomic impact on households is crucial for developing effective public health strategies and interventions.
Abstract:
Noroviruses (NoVs) are among the most frequent causes of acute pediatric gastroenteritis. Although the disease is often self-limiting and recovery is the rule, it constitutes an important health problem because of its highly contagious nature and the high rate of morbidity. NoVs are responsible for 47-96 % of outbreaks of acute pediatric gastroenteritis, and 5-36 % of sporadic cases. NoV-induced gastroenteritis is a frequent cause of hospitalization, and severe and sometimes fatal cases have been reported in immunocompromised children. The increasing recognition of NoVs as the cause of pediatric disease and the limited success in preventing outbreaks have led to consideration of vaccines. However, while awaiting the development of a vaccine, there is an urgent need for more epidemiological data concerning childhood NoV infection, including the impact of NoVs on different age groups, the possible etiological role of NoVs in infections other than gastroenteritis, and the socioeconomic impact of NoVs on households.
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