Parechovirus A Circulation and Testing Capacities in Europe, 2015-2021

Laura Bubba, Eeva K Broberg, Thea K Fischer, Peter Simmonds, Heli Harvala, European Non-polio Enterovirus Network working group

Abstract

Parechovirus infections usually affect neonates and young children; manifestations vary from asymptomatic to life-threatening. We describe laboratory capacity in Europe for assessing parechovirus circulation, seasonality, and epidemiology. We used retrospective anonymized data collected from parechovirus infection case-patients identified in Europe during January 2015-December 2021. Of 21 laboratories from 18 countries that participated in the study, 16 (76%) laboratories with parechovirus detection capacity reported 1,845 positive samples; 12/16 (75%) with typing capability successfully identified 517 samples. Parechovirus A3 was the most common type (n = 278), followed by A1 (153), A6 (50), A4 (13), A5 (22), and A14 (1). Clinical data from 1,269 participants highlighted correlation of types A3, A4, and A5 with severe disease in neonates. We observed a wide capacity in Europe to detect, type, and analyze parechovirus data. To enhance surveillance and response for PeV outbreaks, sharing typing protocols and data on parechovirus-positive cases should be encouraged.

OriginalsprogEngelsk
TidsskriftEmerging Infectious Diseases
Vol/bind30
Udgave nummer2
Sider (fra-til)234-244
Antal sider11
ISSN1080-6040
DOI
StatusUdgivet - feb. 2024

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