Neutralising Antibodies against Enterovirus and Parechovirus in IVIG Reflect General Circulation: A Tool for Sero-Surveillance

Autor: Dasja Pajkrt, Gerrit Koen, Lieke Brouwer, Hetty van Eijk, Katja C. Wolthers, Karlijn van der Straten, Jean Luc Murk, Karen Couderé
Přispěvatelé: Graduate School, Paediatric Infectious Diseases / Rheumatology / Immunology, AII - Infectious diseases, Amsterdam Reproduction & Development (AR&D), Medical Microbiology and Infection Prevention
Rok vydání: 2021
Předmět:
Zdroj: Viruses
Volume 13
Issue 6
Viruses, Vol 13, Iss 1028, p 1028 (2021)
Viruses, 13(6):1028. Multidisciplinary Digital Publishing Institute (MDPI)
ISSN: 1999-4915
Popis: Non-polio enteroviruses (NPEV) and parechoviruses (PeV) are widespread pathogens that cause significant morbidity. Surveillance is based on culturing or genotyping of virus strains found in clinical samples. Sero-surveillance, by measuring neutralising antibodies (nAb) through virus neutralisation assays (VNA), could provide additional information as it offers a more comprehensive overview of exposure to circulating types in the general population. In our study we evaluated Intravenous immunoglobulins (IVIG) to generate sero-surveillance data. We performed VNA of nineteen NPEV and PeV with Dutch IVIG batches from two different time points (2010 and 2017) and an IVIG batch from Vietnam (2011). We compared our findings with geno- and sero-surveillance data and evaluated changes over time and between the two countries. Our findings show a good correlation with what is known from geno-surveillance data. The highest nAb titres were found against strains from Enterovirus B, while we did not observe nAb titres against strains belonging to Enterovirus C. In conclusion, we demonstrated that sero-surveillance by means of IVIG can be used to obtain insight into circulation of EV and PeV genotypes. This is of particular interest for public health, to evaluate changes over time and population susceptibility to emerging genotypes.
Databáze: OpenAIRE