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Viruses ; 14(4)2022 03 22.
Article in English | MEDLINE | ID: mdl-35458388

ABSTRACT

Here, we describe a small enterovirus outbreak including nine cases of aseptic meningitis in a New Zealand hospital in 2017. Most patients had a lymphocytic predominance in the CSF, their length of stay was short, and there were no paediatric cases or ICU admissions. VP1 genotyping revealed that the outbreak was caused by an echovirus E30 strain closely related to strains reported from the US, UK, Brazil, and Denmark. They all form a separate cluster within lineage "h", which leads to the proposal of establishing a new lineage tentatively named "j" for this group of echovirus E30 strains. However, whole genome sequencing and reference mapping to echovirus E30 sequences showed very poor mapping of reads to the 3' half of the genome. Further bioinformatic analysis indicated that the causative agent of this outbreak might be a mosaic triple-recombinant enterovirus composed of echovirus E6, echovirus E11, and echovirus E30 genome segments.


Subject(s)
Echovirus Infections , Enterovirus Infections , Meningitis, Aseptic , Child , Disease Outbreaks , Echovirus Infections/epidemiology , Enterovirus B, Human/genetics , Enterovirus Infections/epidemiology , Humans , Meningitis, Aseptic/epidemiology , Molecular Epidemiology , New Zealand/epidemiology , Phylogeny , RNA, Viral/genetics
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