High Prevalence of Coinfecting Enteropathogens in Suspected Rotavirus Vaccine Breakthrough Cases
Despite the global use of rotavirus vaccines, vaccine breakthrough cases remain a pediatric health problem. In this study, we investigated suspected rotavirus vaccine breakthrough cases using next-generation sequencing (NGS)-based viral metagenomics (n = 102) and a panel of semiquantitative reverse transcription-PCR (RT-qPCR) (n = 92) targeting known enteric pathogens. Overall, we identified coinfections in 80% of the cases. Enteropathogens such as adenovirus (32%), enterovirus (15%), diarrheagenic Escherichia coli (1 to 14%), astrovirus (10%), Blastocystis spp. (10%), parechovirus (9%), norovirus (9%), Clostridioides (formerly Clostridium) difficile (9%), Dientamoeba fragilis (9%), sapovirus (8%), Campylobacter jejuni (4%), and Giardia lamblia (4%) were detected. Except for a few reassortant rotavirus strains, unusual genotypes or genotype combinations were not present. However, in addition to well-known enteric viruses, divergent variants of enteroviruses and nonclassic astroviruses were identified using NGS. We estimated that in 31.5% of the patients, rotavirus was likely not the cause of gastroenteritis, and in 14.1% of the patients, it contributed together with another pathogen(s) to disease. The remaining 54.4% of the patients likely had a true vaccine breakthrough infection. The high prevalence of alternative enteropathogens in the suspected rotavirus vaccine breakthrough cases suggests that gastroenteritis is often the result of a coinfection and that rotavirus vaccine effectiveness might be underestimated in clinical and epidemiological studies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
Journal of clinical microbiology - 59(2021), 12 vom: 18. Nov., Seite e0123621 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Simsek, Ceren [VerfasserIn] |
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| Links: |
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| Themen: |
Enteric coinfections |
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| Anmerkungen: |
Date Completed 03.12.2021 Date Revised 04.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1128/JCM.01236-21 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Despite the global use of rotavirus vaccines, vaccine breakthrough cases remain a pediatric health problem. In this study, we investigated suspected rotavirus vaccine breakthrough cases using next-generation sequencing (NGS)-based viral metagenomics (n = 102) and a panel of semiquantitative reverse transcription-PCR (RT-qPCR) (n = 92) targeting known enteric pathogens. Overall, we identified coinfections in 80% of the cases. Enteropathogens such as adenovirus (32%), enterovirus (15%), diarrheagenic Escherichia coli (1 to 14%), astrovirus (10%), Blastocystis spp. (10%), parechovirus (9%), norovirus (9%), Clostridioides (formerly Clostridium) difficile (9%), Dientamoeba fragilis (9%), sapovirus (8%), Campylobacter jejuni (4%), and Giardia lamblia (4%) were detected. Except for a few reassortant rotavirus strains, unusual genotypes or genotype combinations were not present. However, in addition to well-known enteric viruses, divergent variants of enteroviruses and nonclassic astroviruses were identified using NGS. We estimated that in 31.5% of the patients, rotavirus was likely not the cause of gastroenteritis, and in 14.1% of the patients, it contributed together with another pathogen(s) to disease. The remaining 54.4% of the patients likely had a true vaccine breakthrough infection. The high prevalence of alternative enteropathogens in the suspected rotavirus vaccine breakthrough cases suggests that gastroenteritis is often the result of a coinfection and that rotavirus vaccine effectiveness might be underestimated in clinical and epidemiological studies | ||
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| 700 | 1 | |a Matthijnssens, Jelle |e verfasserin |4 aut | |
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