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Norovirus is the leading cause of acute gastroenteritis (AGE) globally. Few longitudinal studies have assessed norovirus-associated AGE incidence across age groups in community settings in Latin America. During April 2015-April 2019, active surveillance for AGE among community members of all ages was conducted through household visits two to three times per week in San Jeronimo, Cusco, Peru.

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Article Synopsis
  • Human norovirus leads globally in causing stomach infections across all ages.
  • A new detection method using time-resolved fluorescence microsphere immunochromatography was developed, maximizing sensitivity and speed for identifying the VP1 protein of norovirus GII in only 15 minutes.
  • The method displays high accuracy with a 96.60% overall coincidence rate in clinical samples, indicating its potential for quick and effective diagnostics in healthcare settings.
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Background: The COVID-19 pandemic resulted in the enactment of substantial public health measures aimed at reducing the transmission of respiratory viruses. The impact of these measures on gastrointestinal (GI) infections remains unexplored.

Aims: To determine whether there was a change in the number of patients presenting to The Royal Melbourne Hospital with GI infections during the COVID-19 pandemic compared to the year prior.

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Assessing the basis for regulatory crediting of virus LRVs for secondary biological wastewater treatment: A systematic review.

Water Res

March 2025

Southern Nevada Water Authority, P.O. Box 99954, Las Vegas, NV 89193, United States. Electronic address:

Regulatory frameworks for potable reuse often include stringent log reduction value (LRV) targets to ensure public health protection against exposure to viruses and protozoa. To achieve overall LRV targets and reduce associated capital and operational costs, it is important to maximize LRV credits awarded to each unit process in a potable reuse treatment train. This may include processes that are historically uncredited or undercredited, such as secondary biological wastewater treatment incorporating activated sludge and secondary clarification.

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Introduction: Acute gastroenteritis (AGE) represents a significant global health burden, with enteric viruses being a leading cause of gastroenteritis worldwide. Despite advances in diagnosis and treatment, there are limited data on adults seeking care due to AGE of viral etiology. This study aimed to describe the etiological, clinical, and epidemiological characteristics of viral AGE in adult patients presenting for medical consultation in a tertiary hospital over a 2-year period.

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