Epidemiological impact of human adenovirus as causative agent of respiratory infections: An Italian multicentre retrospective study, 2022-2023.
J Infect Chemother
; 2024 Jul 21.
Article
em En
| MEDLINE
| ID: mdl-39043318
ABSTRACT
Human adenoviruses are the causative agents of 5-7% of viral respiratory infections, mainly caused by species B and C. They can infect all age groups, but children are usually at high risk of infections. Adenovirus epidemiology is well documented in East-Asian countries but little is known about adenovirus circulation in Europe in recent years. This multicentre retrospective study aimed to investigate the circulation and molecular epidemiology of hAdVs. This surveillance collected a total of 54463 respiratory specimens between January 1, 2022 and June 20, 2023 were tested for the presence of respiratory viruses. Our results showed that adenovirus was detected in 6.6 % of all cases of acute respiratory infection included in the study and the median age of positive patients was 3 years, with male children in 1-2 years age group being the most affected. 43.5 % of adenovirus cases were co-infected with at least one other respiratory virus, and rhinovirus was co-detected in 54 % of cases. Genotyping of adenovirus allowed the identification of 6 different genotypes circulating in Italy, among which type B3 was the most frequently detected.
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MEDLINE
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En
Ano de publicação:
2024
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Article