Diana Rodà1, Esther Pérez-Martínez2, María Cabrerizo3, Gloria Trallero4, Aina Martínez-Planas5, Carles Luaces6, Juan-José García-García7, Carmen Muñoz-Almagro8, Cristian Launes9. 1. Paediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Passeig Sant Joan de Déu 2, 08940, Esplugues de Llobregat, Barcelona, Spain. droda@hsjdbcn.org. 2. Paediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Passeig Sant Joan de Déu 2, 08940, Esplugues de Llobregat, Barcelona, Spain. eperezm@hsjdbcn.org. 3. Enterovirus Unit, National Centre for Microbiology, Instituto de Salud Carlos III, Madrid, Spain. MCABRERIZO@isciii.es. 4. Enterovirus Unit, National Centre for Microbiology, Instituto de Salud Carlos III, Madrid, Spain. gtralle@isciii.es. 5. Paediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Passeig Sant Joan de Déu 2, 08940, Esplugues de Llobregat, Barcelona, Spain. amartinez@hsjdbcn.org. 6. Emergency Department, Hospital Sant Joan de Déu (University of Barcelona), Barcelona, Spain. cluaces@hsjdbcn.org. 7. Paediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Passeig Sant Joan de Déu 2, 08940, Esplugues de Llobregat, Barcelona, Spain. juanjo@hsjdbcn.org. 8. Molecular Microbiology Department, Hospital Sant Joan de Déu (University of Barcelona), Barcelona, Spain. cma@hsjdbcn.org. 9. Paediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Passeig Sant Joan de Déu 2, 08940, Esplugues de Llobregat, Barcelona, Spain. claunes@hsjdbcn.org.
Abstract
UNLABELLED: Enterovirus (EV) infection is common in infants, but the information with regard to the molecular epidemiology and the associations between types and clinical variables is very scarce. This study includes 195 children <3 months old with fever, attended from March 2010 to December 2012 in an emergency department of a tertiary paediatric hospital in whom EV infection was confirmed by real-time PCR in blood and/or cerebrospinal fluid. Clinical and epidemiological data was prospectively collected. In 152 (77.9 %) patients, EVs could be typed. The most common type was Echovirus-5 (E5; 32, 21.1 %), followed by Echovirus-11 (E11; 18, 11.8 %), Echovirus-21 and Echovirus-25 (E21, E25; 11 each one, 7.2 %) and Coxsackievirus-B4 (CVB4; 6, 6.6 %). The majority of types appeared in spring, but E5 and E25 were found mainly during summer (p < 0.01). E21 was associated with high-grade fever (p < 0.01); E5 with exanthema (p = 0.03) and CVB4 tended to cause meningitis more often than the other types (p = 0.07). CONCLUSION: The most common EV types were Echovirus-5 and Echovirus-11. Some significant associations between types and epidemiologic and clinical findings were observed. What is Known-What is New • Enteroviruses cause a normally benign illness in young infants, except in some cases. • The molecular epidemiology of Enterovirus infection is not well known in European countries. • This study describes a large number of infants with Enterovirus infection and shows the seasonality of different types, and their associations with epidemiologic and clinical variables.
UNLABELLED: Enterovirus (EV) infection is common in infants, but the information with regard to the molecular epidemiology and the associations between types and clinical variables is very scarce. This study includes 195 children <3 months old with fever, attended from March 2010 to December 2012 in an emergency department of a tertiary paediatric hospital in whom EV infection was confirmed by real-time PCR in blood and/or cerebrospinal fluid. Clinical and epidemiological data was prospectively collected. In 152 (77.9 %) patients, EVs could be typed. The most common type was Echovirus-5 (E5; 32, 21.1 %), followed by Echovirus-11 (E11; 18, 11.8 %), Echovirus-21 and Echovirus-25 (E21, E25; 11 each one, 7.2 %) and Coxsackievirus-B4 (CVB4; 6, 6.6 %). The majority of types appeared in spring, but E5 and E25 were found mainly during summer (p < 0.01). E21 was associated with high-grade fever (p < 0.01); E5 with exanthema (p = 0.03) and CVB4 tended to cause meningitis more often than the other types (p = 0.07). CONCLUSION: The most common EV types were Echovirus-5 and Echovirus-11. Some significant associations between types and epidemiologic and clinical findings were observed. What is Known-What is New • Enteroviruses cause a normally benign illness in young infants, except in some cases. • The molecular epidemiology of Enterovirus infection is not well known in European countries. • This study describes a large number of infants with Enterovirus infection and shows the seasonality of different types, and their associations with epidemiologic and clinical variables.
Entities:
Keywords:
Children; Enterovirus; Meningitis; Molecular epidemiology; Type
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