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The relative frequencies of specific EV and HPeV types were determined over a 5-year surveillance period using highly sensitive EV and HPeV PCR assays for screening 4,168 cerebrospinal fluid (CSF) specimens collected from hospitalized individuals between 2005 and 2010 in Edinburgh. Positive CSF samples were typed by sequencing of VP1. From the 201 EV and 31 HPeV positive (uncultured) CSF samples on screening, a high proportion of available samples could be directly typed (176/182, 97%). Highest frequencies of EV infections occurred in young adults (n?=?43; 8.6%) although a remarkably high proportion of positive samples (n?=?98; 46%) were obtained from young infants (INSRR across the years. Twenty different EV serotypes BMS-754807 order were detected; E9, E6, and CAV9 being found most frequently, whereas all but one HPeVs were type 3. Over this period, HPeV3 was identified as the most prevalent picornavirus type in CNS-related infections with similarly high incidences of EV infection frequencies in very young children. The highly sensitive virus typing methods applied in this study will assist further EV and HPeV screening of sepsis and meningitis cases as well as in future molecular epidemiological studies and population surveillance. J. Med. Virol. 83:889�C896, 2011. ? 2011 Wiley-Liss, Inc. ""Ljungan virus (LV, genus Parechovirus, family Picornaviridae) is considered currently to be a rodent-borne virus. Despite suggested human disease associations, its zoonotic potential remains BLZ945 cost unclear. To date, LV antibody prevalence in both humans and rodents has not been studied. In this study, two different LV immunofluorescence assays (LV IFAs) were developed with LV genotypes 1 (LV strain 87-012G) and 2 (LV strain 145SLG), and cross-neutralization and -reaction studies were carried out with LV strain 145SLG. Finally, a panel of 37 Finnish sera was screened for anti-LV antibodies using two different LV IFAs (LV 145SLG and LV 87-012G) and a neutralization (NT) assay (LV 145SLG), and 50 samples from Myodes glareolus by LV IFA (LV 145SLG). The LV seroprevalence study showed 38% and 18% positivity in humans and M. glareolus, respectively. LV IFAs and NT assays were compared, and the results were in good agreement. The data are the first evidence of humans and rodents coming into contact with LV in Finland. Additional studies are required in order to acquire a better understanding of the prevalence, epidemiological patterns and possible disease association of LV infections. J Med. Virol. 85:2001�C2008, 2013. ? 2013 Wiley Periodicals, Inc. ""In this study the emergence of rotavirus A genotype G12 in children