Prevalence of sapovirus infection among infants and children with acute gastroenteritis in Dhaka City, Bangladesh during 2004–2005

Dey, Shuvra Kanti; Phan, Tung Gia; Nguyen, Tuan Anh; Nishio, Osamu; Salim, Abul Faiz Mohammad; Yagyu, Fumihiro; Okitsu, Shoko; Ushijima, Hiroshi

doi:10.1002/jmv.20859

Cited by 29 publications

(26 citation statements)

References 27 publications

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“…In contrast to this genetic variability noted among the norovirus strains, all Tunisian sapovirus sequences belonged to only one single sapovirus genotype GGI/1. The findings are in agreement with many of the earlier sapovirus studies worldwide describing sapovirus GGI/1 as the most prevalent genotype detected in pediatric gastroenteritis [13,15,17,18,20,24,39,48]. However, in other studies a genetic diversity of sapovirus strains was reported in gastroenteritis cases including genotypes of GGII, GGIII, GGIV [8,16,35].…”

Section: Discussionsupporting

confidence: 93%

“…It was rarely detected in association with foodborne outbreaks [45] and it was also detected in asymptomatic infants [8] as in asymptomatic adults [39]. In contrast, two studies conducted in Bangladesh and China showed that clinical signs (diarrhea, fever, vomiting, and abdominal cramps) were associated with sapovirus infections in young children (2-38 months) and college students, respectively [15,46]. The data indicate that sapovirus causes mild gastroenteritis in children in Tunisia, while norovirus causes severe sporadic gastroenteritis and is responsible for a high number of hospitalization cases (P = 0.03).…”

Section: Discussionmentioning

confidence: 81%

“…Noroviruses are a major cause of both sporadic cases and outbreaks of gastroenteritis [4][5][6][7] whereas sapoviruses have been detected in many areas in the word but only infrequently, a few outbreaks of sapovirus have been reported [8][9][10][11][12] and the impact of the sapoviruses has not been fully established. Sapoviruses were primarily associated with cases of pediatric acute gastroenteritis [13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

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Molecular detection of genogroup I sapovirus in Tunisian children suffering from acute gastroenteritis

et al. 2011

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This study investigated the prevalence of sapovirus infections in children with acute gastroenteritis in Monastir region, Tunisia, from January 2003 to April 2007. Sapovirus was characterized by sequence and phylogenetic analyses of the partial polymerase gene. From 788 fecal specimens tested, 6 (0.8%) were positive for sapovirus, of these, 4 (66.7%) were monoinfections. All sapovirus positive samples were detected in outpatient, contrary to norovirus which was significantly more frequent in hospitalized children than in outpatients (14.5 vs. 9.5%, P = 0.03). The mean age of children with sapovirus infections was 11 ± 5.56 months (range 6-19 months). Sapovirus isolates were detected in March and between September and December 2003. Fever, vomiting, abdominal pain, and dehydration were not observed in patients with sapovirus infections. Analysis of nucleotide and amino acid sequences revealed that all 6 Tunisian sapovirus strains clustered in the GGI/1 genotype and strains were identical in the region sequenced, sharing 90.2% nucleotide identity with the reference strain Sapporo/82/JP (U65427). This represents the first finding of sapovirus infections in North Africa and especially in Tunisia. The data indicate that, contrary to norovirus which can cause severe diarrhea and is an important etiologic agent in hospitalized cases, sapovirus causes mild gastroenteritis in Tunisian children.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

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Molecular detection of genogroup I sapovirus in Tunisian children suffering from acute gastroenteritis

et al. 2011

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“…All fecal specimens were also tested for the presence of sapovirus, astrovirus by RT-multiplex PCR. Among diarrheal viruses detected, norovirus was the most prevalent (4.5%), followed by 2.7% of sapovirus and 0.3% of astrovirus (Dey et al, 2007). The youngest subject was 2-month-old and the oldest 38 months; the average age was 13 months.…”

Section: Detection Of Norovirusesmentioning

confidence: 97%

Molecular and epidemiological trend of norovirus associated gastroenteritis in Dhaka City, Bangladesh

Dey

Nguyen

Phan

et al. 2007

Journal of Clinical Virology

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“…Acute gastroenteritis (AGE) is one of the most frequent diseases in children worldwide and remains the main cause of childhood morbidity and mortality, particularly in developing countries. Each year as many as 1.5 million children in the first 5 years of life die from AGE (Dey et al 2007;Fabiana et al 2007;Rahman et al 2007;Parashar et al 2006). Rotaviruses ( Fig.…”

Section: Introductionmentioning

confidence: 99%

Electron microscopy in the diagnosis of viral gastroenteritis in hospitalised children in the Czech Republic

et al. 2012

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Our study has been aimed at demonstrating the main role of viruses in the aetiology of acute gastroenteritis in children less than 5 years old and at pointing out the diagnostic potential of electron microscopy in the diagnosis of viral gastroenteritis. A prospective study was conducted to analyse the aetiology of diarrhoeal diseases in children less than 5 years of age admitted to the Department of Infectious Diseases between September 2006 and December 2008. All children were tested by faecal culture, latex agglutination and electron microscopy. A total of 832 children were included in the study. An aetiological agent was detected in 788 children (94.6 %). A bacterial aetiology was found in 22 (2.6 %) children and bacterial-viral co-infection was found in 146 (17.6 %) patients. The most frequent causative agents of gastroenteritis in children were viruses, which were detected in 620 (74.5 %) patients. The main causes of viral gastroenteritis were rotaviruses (detected in 410 children), followed by caliciviruses (42), coronaviruses (28), adenoviruses (19) and astroviruses (14). Dual viral infections were detected in 107 children, with rotavirus-calicivirus co-infection being the most common. Electron microscopy proved to be a more sensitive method in comparison with the latex agglutination test for the diagnosis of rotaviruses and adenoviruses. The major role of viruses in diarrhoeal diseases among children under 5 years of age in the Czech Republic has been confirmed. The diagnostic potential of electron microscopy, particularly in small outbreaks of gastroenteritis, was clearly shown.

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Prevalence of sapovirus infection among infants and children with acute gastroenteritis in Dhaka City, Bangladesh during 2004–2005

Cited by 29 publications

References 27 publications

Molecular detection of genogroup I sapovirus in Tunisian children suffering from acute gastroenteritis

Molecular detection of genogroup I sapovirus in Tunisian children suffering from acute gastroenteritis

Molecular and epidemiological trend of norovirus associated gastroenteritis in Dhaka City, Bangladesh

Electron microscopy in the diagnosis of viral gastroenteritis in hospitalised children in the Czech Republic

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