Isolation and Molecular Characterization of Aichi Viruses from Fecal Specimens Collected in Japan, Bangladesh, Thailand, and Vietnam

Pham, Ngan Thi Kim; Khamrin, Pattara; Nguyen, Tuan Anh; Kanti, Dey Shuvra; Phan, Tung Gia; Okitsu, Shoko; Ushijima, Hiroshi

doi:10.1128/jcm.00525-07

Cited by 99 publications

(89 citation statements)

References 12 publications

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“…The Aichi virus is known as an agent causing gastroenteritis associated with oyster consumption (43). Its involvement in gastroenteritis in children has recently been shown, but this remains a rare event (2,28,35). These recent data and our present results support the idea of a role of Aichi virus in cases of gastroenteritis and suggest that oysters may not be the only vector for transmission of the virus.…”

Section: Discussionsupporting

confidence: 81%

Acute Infantile Gastroenteritis Associated with Human Enteric Viruses in Tunisia

et al. 2008

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, investigated the incidence and the clinical role of various enteric viruses responsible for infantile gastroenteritis in 632 Tunisian children presenting in dispensaries (380 children) or hospitalized (252 children) for acute diarrhea. At least one enteric virus was found in each of 276 samples (43.7%). A single pathogen was observed in 234 samples, and mixed infections were found in 42 samples. In terms of frequency, rotavirus and norovirus were detected in 22.5 and 17.4% of the samples, respectively, followed by astrovirus (4.1%), Aichi virus (3.5%), adenovirus types 40 and 41 (2.7%), and sapovirus (1.0%). The seasonal distribution of viral gastroenteritis showed a winter peak but also an unusual peak from May to September. The severity of the diarrhea was evaluated for hospitalized infants. No significant differences were observed between rotavirus and norovirus infections with regard to the incidence and the clinical severity of the disease, especially in dehydration.Diarrhea is one of the major causes of morbidity and mortality among infants throughout the world, especially in developing countries, where malnutrition and poor local health service are factors responsible for the increased severity of the diarrhea. In infants, group A rotavirus (RV) is the major etiologic agent of viral gastroenteritis and is responsible for 29 to 45% of hospitalizations, depending on the income level of the country (32, 33). Other enteric viruses such as human norovirus (NoV), sapovirus, astrovirus (HAstV), adenovirus (HAdV) types 40 and 41, and Aichi virus are also associated with acute gastroenteritis, and their relative importance in high-income countries has been reported previously (2, 4).Human NoVs, which are members of the Caliciviridae family, are found in all age groups (7, 10) and are a major cause of food-and water-related outbreaks (11,22). Recent work has showed that NoVs are the second most frequent etiologic agents of viral gastroenteritis (16). Sapovirus, another genus of the family Caliciviridae, HAstV (41), and enteric type 40 and 41 HAdVs have also been associated with diarrhea. Aichi virus (42) has recently been classified into the Kobuvirus genus in the Picornaviridae family and has been associated with oyster consumption.Although the role of these viruses in outbreaks of gastroenteritis in industrialized countries has been established (7, 29), little is known about their contribution to outbreaks in developing countries and few data are currently available (25). In Tunisia, a middle-income Mediterranean country, earlier studies showed the contribution of RVs (8, 38) and more recently that of HAstVs and HAdVs (12) in cases of childhood diarrhea. However, the nature of the contribution of NoVs and Aichi viruses to outbreaks of gastroenteritis in Tunisia remains unknown.The aim of this study was to determine the incidence of these enteric viruses and their contribution to diarrheal diseases in Tunisian children. We conducted a prospective 2-year study of children who were hospitalized in or presented to ...

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Section: Discussionsupporting

confidence: 81%

Acute Infantile Gastroenteritis Associated with Human Enteric Viruses in Tunisia

et al. 2008

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“…To date, the genus Kobuvirus consists of 2 species, Aichi virus and bovine kobuvirus (2). The Aichi virus is associated with acute gastroenteritis in humans (3)(4)(5); bovine kobuvirus infection has been detected only in cattle (1). Only 1 report has described the discovery and epidemiologic features of bovine kobuvirus (1).…”

Section: Bovine Kobuviruses From Cattle With Diarrheamentioning

confidence: 99%

Bovine Kobuviruses from Cattle with Diarrhea

Khamrin

Maneekarn

Peerakome

et al. 2008

Emerg. Infect. Dis.

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LETTERScause this technology is available in relatively few clinical laboratories, cases of infection with M. massiliense may be mistakenly attributed to M. abscessus. Although infections with M. massiliense may be underrecognized, reports of these infections are raising concern. The capacity of this bacteria to infect different body sites is further evidence for the pathogenic potential of a rapidly growing mycobacteria in human infections (10).

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“…Just as in adults, there has been limited knowledge about the epidemiology of Aichi virus infection in children. Its presence in fecal specimens of children suffering from diarrhea has been demonstrated in several Asian countries (5,13), in Brazil (4), and in France (1). Nevertheless, despite the low incidence of Aichi virus encountered in sporadic and epidemic cases, several studies of seroprevalence conducted in Japan (12), Germany (4), Spain (J. Buesa, personal communication, 28 September 2007), and more recently in France (2) indicated that this virus is quite common.…”

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confidence: 99%

Detection and Genomic Characterization of Aichi Viruses in Stool Samples from Children in Monastir, Tunisia

et al. 2009

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Isolation and Molecular Characterization of Aichi Viruses from Fecal Specimens Collected in Japan, Bangladesh, Thailand, and Vietnam

Cited by 99 publications

References 12 publications

Acute Infantile Gastroenteritis Associated with Human Enteric Viruses in Tunisia

Acute Infantile Gastroenteritis Associated with Human Enteric Viruses in Tunisia

Bovine Kobuviruses from Cattle with Diarrhea

Detection and Genomic Characterization of Aichi Viruses in Stool Samples from Children in Monastir, Tunisia

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