Seasonal prevalence of potentially infectious enteric viruses in surface waters below treated wastewater discharge

Stobnicka-Kupiec, Agata; Górny, Rafał L.

doi:10.26444/aaem/155307

Cited by 3 publications

(3 citation statements)

References 38 publications

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“…These results are in line with what was found in the study by Stobnicka-Kupiec&Górny [28] where the prevalence of positive rotavirus samples found in winter (dry period) was higher than those found in summer (rainy period) (73.3% vs. 26.7%), with there also being an statistics association between the prevalence and the period found (x2: p = 0.028; Fisherʹs Exact test: p = 0.033). Different from what was found in our study, in a study in the State of Minas Gerais, where there is also a higher incidence of rotavirus during the dry period, the RVA were found in water samples collected on both dry (54.1 %=13/24) and rainy period (70.8 %=17/24) but no significant association between the viral detection and the period in which the study was realized were found(p=0.371) [21].…”

Section: Discussionsupporting

confidence: 92%

“…Outbreaks of infection not reported in the study areas, the elimination of feces with high concentrations of the virus (which can reach 10 8 to 10 11 particles/gram of feces) by infected patients, in addition to characteristics specific to the virus, may explain its greater detection of RV in the samples [9,10,16,20]. RVs survive diverse conditions and are capable of surviving for long periods, contributing to their prevalence in the environment [28].…”

Section: Discussionmentioning

confidence: 93%

“…Compared to cell culture, the main advantages when using PCR for viral diagnosis include high sensitivity and specificityand for detecting viruses that can be cultivated or not, and in addition to releasingrapid results, in the order of hours. The main disadvantage of PCR methods is that unlike the cell culture method, which are capable of detecting infectious viruses that causes infection in the cultured cell or demaged non-infectious viral particles, the PCR method can potentially detect both infectious viruses and non-infectious viruses [9,28,51,52].…”

Section: Discussionmentioning

confidence: 99%

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Comparison Between Different Seasons of the Year in Research for Rotavirus in a State of Brazil

Picciola Bordoni,

Candido Gonçalves Barbosa,

Santos Lima

et al. 2023

Preprint

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Rotavirus (RV) it’s the agent of one of the main causes of severe viral gastroenteritis in the pediatric population, being responsible for a significant portion of deaths related to diarrhea among children under five years. RV are identified as a potential reference pathogen and it is known that the persistence and infectivity of the viral particles can be related to environmental factors. The aim of the study was to identify and correlate the presence of Rotavirus in collective and individual water sources (deep tubular wells, shallow tubular wells, shallow dug wells, springs, surface water, rainwater stored in cisterns and water trucks that were collected from surface water) of rural communities in the state of Goiás, with the seasons in which the collections were made (rainy and dry season). For this, 86 water samples in the dry period and 160 samples in the rainy period were collected. Concentration of water samples, extraction of viral genetic material, cDNA synthesis and molecular tests (qPCR) were performed. When analyzing the presence of RV in the samples in relation to the period studied, RV was found to be more prevalent in the dry season (54.7%) than in the rainy season (20%), showing a strong statistical association with the dry season (p-value < 0.001). The proportion of positive samples in the dry period, considering the type of source, resulted in higher in Shallow dug wells (p-value <0.001), higher in surface waters (p = 0.001) and higher in spring water (p-value = 0.02). The presence of pathogenic microorganisms in water is a public risk problem, enabling the emergence of outbreaks, endemics and epidemics. In the present research, there was an association among the presence of Rotavirus and the dry period of the year, when compared to the rainy period. Describing or identifying the seasonal behavior of pathogens is important for prevention and attention to water treatment and help in the monitoring of the virus in the water sources.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 99%

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Comparison Between Different Seasons of the Year in Research for Rotavirus in a State of Brazil

Picciola Bordoni,

Candido Gonçalves Barbosa,

Santos Lima

et al. 2023

Preprint

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Rotavirus in Water Environments: A Systematic Review and Meta-Analysis

Awere-Duodu,

Donkor

2024

Environ�Health�Insights

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Background: Despite the adoption of rotavirus vaccines, sporadic outbreaks of the virus have been reported in many parts of the world. These outbreaks are facilitated by several factors including the ease of transmission of rotavirus through water environments. This systematic review aimed to determine the global prevalence of rotavirus in water environments. Methodology: Comprehensive Boolean searches were conducted in PubMed, SCOPUS, and Web of Science. A total of 75 eligible studies were included in the study, from which data was extracted for both systematic review and meta-analysis. Extracted prevalence data was grouped according to six water categories: drinking water, untreated sewage, treated sewage, surface water, groundwater, and others. A single-group prevalence meta-analysis was conducted in RStudio version 4.3.3 subjecting the data to the random-effects model. Results: The included studies were conducted in 32 countries that span 5 continents: Africa, Asia, Europe, North America, and South America. The pooled prevalence of rotavirus in water environments was 40.86%. Among the individual water environments, untreated sewage had the highest prevalence (68.27%), followed by treated sewage (53.07%), surface water (33.40%), groundwater (25.64%) and drinking water (9.46%). Continental stratification of the prevalence data was as follows: Africa (51.75%), Asia (32.48%), Europe (55.90%), North America (41.80%), and South America (28.51%). Conclusion: There is a high prevalence of rotavirus in water environments, especially in untreated sewage, and in Europe. Further research is needed to find more efficient methods that can effectively eliminate rotavirus to insignificant levels in water environments.

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Short Communication: Rotavirus Group A Occurrence in Rural Water Source Samples in a Midwest Region State of Brazil, Comparing Wet and Dry Seasons

Picciola Bordoni,

Candido Gonçalves Barbosa,

Santos Lima

et al. 2024

Viruses

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Identified as a potential reference pathogen by the WHO Guidelines for Drinking-Water Quality, Rotavirus (RV) is among the main enteric viruses that cause waterborne diseases. The aim of this study was to identify and correlate the presence of RV in collective and individual water sources of rural communities in the state of Goiás, within the seasons in which the collections were made (rainy and dry seasons). For this, 86 water samples in the dry period and 160 samples in the rainy period were collected. Concentration of water samples, extraction of viral genetic material and molecular tests were performed. When analyzing the presence of RV in the samples, taking into consideration the period studied, RV was found to be more prevalent in the dry season (54.7%) than in the rainy season (20%), showing a strong statistical association with the dry season (p-value < 0.001). The presence of pathogenic microorganisms in water is a public risk issue, enabling the emergence of outbreaks, endemics and epidemics. In the present research, there was an association between the presence of Rotavirus and the dry period of the year when compared to the rainy period.

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Seasonal prevalence of potentially infectious enteric viruses in surface waters below treated wastewater discharge

Abstract: Stobnicka-Kupiec A, Górny RL. Seasonal prevalence of potentially infectious enteric viruses in the surface waters below treated wastewater discharge. Ann Agric Environ Med.

Cited by 3 publications

References 38 publications

Comparison Between Different Seasons of the Year in Research for Rotavirus in a State of Brazil

Comparison Between Different Seasons of the Year in Research for Rotavirus in a State of Brazil

Rotavirus in Water Environments: A Systematic Review and Meta-Analysis

Short Communication: Rotavirus Group A Occurrence in Rural Water Source Samples in a Midwest Region State of Brazil, Comparing Wet and Dry Seasons

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