Molecular epidemiology of human adenovirus infections in Denmark, 2011-2016.
Molecular epidemiology of human adenovirus infections in Denmark, 2011-2016.
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DOI：
10.1016/j.jcv.2018.04.012
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发表时间：
2018-07
期刊：
影响因子：
--
通讯作者：
Fonager J
中科院分区：
文献类型：
--
作者：
Barnadas C;Schmidt DJ;Fischer TK;Fonager J
We developed new primers to improve genotyping of HAdV D. Six out of seven HAdV species from at least 13 HAdV types were identified. Young children (<5 years old) were more likely to be positive for HAdV. Co-infections with other gastrointestinal or respiratory viruses were common. A HAdV surveillance system is required to monitor circulating species and types. Human adenoviruses (HAdVs) can cause respiratory tract infections, conjunctivitis, diarrhoea and outbreaks have been reported. However, little is known about the disease burden and the molecular epidemiology of HAdV. To retrospectively perform a molecular characterization of HAdV positive samples received at Statens Serum Institut during the period 2011–2016 and to compare this with demographic information, geographic location, sample collection date and type and co-infection with other viral pathogens. 152 HAdV positive samples were genotyped by Sanger sequencing of a fragment of the hexon gene using published primers along with a newly developed primer set for enhanced genotyping of HAdV D. Phylogenetic analysis was used for genotyping and genotypes were compared with epidemiological information. In addition, HAdV burden and co-infection was evaluated for samples tested in laboratory analysis packages. Six out of seven HAdV species were identified and represented by 13 types. Young children (<5 years old) were more likely to be positive for HAdV and co-infections with other gastrointestinal or respiratory viruses were common. Possible outbreaks of ocular infections due to HAdV D could not be confirmed. A diverse set of HAdV species were circulating in Denmark in the study period and although possible transmission clusters were identified, this could not be verified with current genotyping methods Young children were commonly affected by HAdV infection and co-infections with other viral pathogens were frequent suggesting a possible underestimation of the real HAdV burden.
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GENDRES network
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