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Khales P, Razizadeh MH, Ghorbani S, Moattari A, Sarvari J, Saadati H, Sayyahfar S, Salavatiha Z, Hasanabad MH, Poortahmasebi V, Tavakoli A. Human adenoviruses in children with gastroenteritis: a systematic review and meta-analysis. BMC Infect Dis 2024; 24:478. [PMID: 38724898 PMCID: PMC11084101 DOI: 10.1186/s12879-024-09386-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024] Open
Abstract
PURPOSE Human adenoviruses (HAdVs) have always been suggested as one of the main causes of gastroenteritis in children. However, no comprehensive report on the global epidemiology of these viruses in pediatric gastroenteritis is available. METHODS A systematic search was conducted to obtain published papers from 2003 to 2023 in three main databases PubMed, Scopus, and Web of Science. RESULTS The estimated global pooled prevalence of HAdV infection in children with gastroenteritis was 10% (95% CI: 9-11%), with a growing trend after 2010. The highest prevalence was observed in Africa (20%, 95% CI: 14-26%). The prevalence was higher in inpatients (11%; 95% CI: 8-13%) and patients aged 5 years old and younger (9%; 95% CI: 7-10%). However, no significant difference was observed between male and female patients (P = 0.63). The most prevalent species was found to be the species F (57%; 95% CI: 41-72%). The most common HAdVs observed in children with gastroenteritis were types 40/41, 38, and 2. Analysis of case-control studies showed an association between HAdV and gastroenteritis in children (OR: 2.28, 95% CI; 1.51-3.44). CONCLUSION This study provided valuable insights into the importance of HAdVs in children with gastroenteritis, especially in hospitalized and younger children. The results can be used in future preventive measurements and the development of effective vaccines.
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Affiliation(s)
- Pegah Khales
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Razizadeh
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Saied Ghorbani
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Afagh Moattari
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Jamal Sarvari
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hassan Saadati
- Department of Epidemiology and Biostatistics, School of Health, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Shirin Sayyahfar
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Salavatiha
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Morteza Haghighi Hasanabad
- Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Vahdat Poortahmasebi
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Tavakoli
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Farahmand M, Khales P, Salavatiha Z, Sabaei M, Hamidzade M, Aminpanah D, Tavakoli A. Worldwide prevalence and genotype distribution of human astrovirus in gastroenteritis patients: A systematic review and meta-analysis. Microb Pathog 2023:106209. [PMID: 37385570 DOI: 10.1016/j.micpath.2023.106209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/17/2023] [Accepted: 06/18/2023] [Indexed: 07/01/2023]
Abstract
AIM Human astrovirus (HAstV) is an important causative agent of gastroenteritis in humans, which mainly infects young children and the elderly. The goal of this study was to conduct a meta-analytic review of the prevalence of HAstV amongst patients with gastroenteritis, and to shed light on the connection between HAstV infection and gastroenteritis. METHODS Systematic literature searches were conducted to identify all potentially relevant studies recorded up to April 8th, 2022. For study weighting, the inverse variance method was employed and the random-effects model was applied to evaluate data. For case-control studies, the pooled odds ratio (OR) and 95% confidence interval (CI) were calculated to establish the relationship between HAstV infection and gastroenteritis. RESULTS Among 302423 gastroenteritis patients from 69 different countries, the overall pooled prevalence of HAstV infection was 3.48% (95% CI: 3.11%-3.89%). Case-control approach was used in 39 investigations, and the overall prevalence of HAstV infection among the 11342 healthy controls was 2.01% (95% CI: 1.40%-2.89%). Gastroenteritis and HAstV infection were associated with a pooled OR of 2.16 (95% CI: 1.72-2.71; P < 0.0001; I2 = 33.7%). The most commonly found HAstV genotypes in gastroenteritis patients were HAstV1 (62.18%), HAstV7 (33.33%), and HAstV-MLB1 (17.43%). CONCLUSION The frequency of HAstV infection was the highest in children under the age of five, and in developing countries. The prevalence rate of HAstV was not influenced by gender. Semi-nested and nested RT-PCR were highly sensitive assays for detecting HAstV infections.
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Affiliation(s)
- Mohammad Farahmand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Pegah Khales
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Salavatiha
- Department of Medical Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Milad Sabaei
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Malihe Hamidzade
- Department of Medical Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Danesh Aminpanah
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ahmad Tavakoli
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Kara Y, Kızıl MC, Kılıç Ö, Us T, Dinleyici EÇ. Investigation of the use of multiplex PCR in childhood diarrhea with clinical and epidemiological features. J Trop Pediatr 2022; 68:6770065. [PMID: 36272732 DOI: 10.1093/tropej/fmac090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Acute gastroenteritis is one of the most common causes of hospital admission in children. Treatment regimens differ depending on the pathogen. In our study, we aimed to evaluate the epidemiological and clinical features of pediatric patients whose gastrointestinal agents were detected by multiplex PCR. MATERIALS AND METHODS The study included 131 pediatric patients who were followed up at Eskişehir Osmangazi University, Pediatric Department between January 2018 and December 2021.Gastrointestinal pathogens were detected in stool samples by multiplex PCR. The epidemiological and clinical features were reviewed retrospectively. RESULTS A total of 203 gastrointestinal pathogens were detected from the stool samples of 131 cases. Of these cases, 56% were male and 44% were female. The mean age was 66 (2-204) months. The most common symptoms were diarrhea, fever, vomiting and abdominal pain. The pathogen detection rate was 69% by multiplex PCR. A single pathogen was detected in 85 (65%) cases and multiple pathogens were detected in 46 (35%) cases. The most common pathogens were enteropathogenic Escherichia coli (EPEC, 23%), Clostridium difficile (21%), norovirus (17%), rotavirus (15%), salmonella (12%) and enterotoxigenic E. coli (ETEC, 11%). Stool culture was positive in 16 (12%) cases and microscopic examination positive in 17 (13%) cases. Probiotic treatment was given to 119 (92%) cases and antimicrobial treatment (metroinidazole, ceftriaxone, azithromycin and oral vancomycin) to 34 (26%) cases. Of the cases, 56 (42%) had chronic disease, 40 (30%) had a history of previous antibiotic use and 17 (13%) had a history of hospitalization in the intensive care unit. CONCLUSION The sensitivity of the multiplex PCR in the detection of acute gastroenteritis agents is higher than stool microscopy, stool culture and stool antigen tests. However, due to the inability to distinguish between colonization, carrier state and pathogenicity, it should be evaluated together with other diagnostic tests and clinical findings in order to determine whether the determined agent is pathogenic or not and in the regulation of antimicrobial therapy.
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Affiliation(s)
- Yalçın Kara
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Eskişehir Osmangazi University Medical Faculty, Eskişehir, Turkey
| | - Mahmut Can Kızıl
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Eskişehir Osmangazi University Medical Faculty, Eskişehir, Turkey
| | - Ömer Kılıç
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Eskişehir Osmangazi University Medical Faculty, Eskişehir, Turkey
| | - Tercan Us
- Department of Microbiology, Eskişehir Osmangazi University Medical Faculty, Eskişehir, Turkey
| | - Ener Çağrı Dinleyici
- Division of Pediatric Intensive Care Unit, Department of Pediatrics, Eskişehir Osmangazi University Medical Faculty, Eskişehir, Turkey
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Li J, Liu J, Yu H, Zhao W, Xia X, You S, Zhang J, Tong H, Wei L. Sources, fates and treatment strategies of typical viruses in urban sewage collection/treatment systems: A review. DESALINATION 2022; 534:115798. [PMID: 35498908 PMCID: PMC9033450 DOI: 10.1016/j.desal.2022.115798] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
The ongoing coronavirus pandemic (COVID-19) throughout the world has severely threatened the global economy and public health. Due to receiving severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from a wide variety of sources (e.g., households, hospitals, slaughterhouses), urban sewage treatment systems are regarded as an important path for the transmission of waterborne viruses. This review presents a quantitative profile of the concentration distribution of typical viruses within wastewater collection systems and evaluates the influence of different characteristics of sewer systems on virus species and concentration. Then, the efficiencies and mechanisms of virus removal in the units of wastewater treatment plants (WWTPs) are summarized and compared, among which the inactivation efficiencies of typical viruses by typical disinfection approaches under varied operational conditions are elucidated. Subsequently, the occurrence and removal of viruses in treated effluent reuse and desalination, as well as that in sewage sludge treatment, are discussed. Potential dissemination of viruses is emphasized by occurrence via aerosolization from toilets, the collection system and WWTP aeration, which might have a vital role in the transmission and spread of viruses. Finally, the frequency and concentration of viruses in reclaimed water, the probability of infection are also reviewed for discussing the potential health risks.
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Affiliation(s)
- Jianju Li
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jing Liu
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
- School of Geosciences, China University of Petroleum, Qingdao 266580, China
| | - Hang Yu
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Weixin Zhao
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Xinhui Xia
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Shijie You
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jun Zhang
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Hailong Tong
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
- Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Liangliang Wei
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
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