ArticleVirology journal2014
Viral aetiology influenza like illnesses in Santa Cruz, Bolivia (2010-2012).
Article in Virology journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Viral etiology of acute respiratory infections in hospitalized children in Novosibirsk City, Russia (2013 - 2017).PloS one · 2018Trial
- Epidemiology of respiratory viruses in patients with severe acute respiratory infections and influenza-like illness in Suriname.Influenza and other respiratory viruses · 2021Article
- Migratory birds in southern Brazil are a source of multiple avian influenza virus subtypes.Influenza and other respiratory viruses · 2018Article
- Characteristics of seasonal influenza A and B in Latin America: Influenza surveillance data from ten countries.PloS one · 2017Article
- Update on Human Rhinovirus and Coronavirus Infections.Seminars in respiratory and critical care medicine · 2016Review
- Clinical features of the first cases and a cluster of Coronavirus Disease 2019 (COVID-19) in Bolivia imported from Italy and Spain.Travel medicine and infectious diseaseObservational
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAcute respiratory infections represent a serious public health issue worldwide but virological aetiologies of Influenza Like Illnesses (ILIs) remain largely unknown in developing countries. This study represents the first attempt to characterise viral aetiologies of ILIs in Bolivia.
methodsIt was performed in Santa Cruz city from January 2010 to September 2012, based on 564 naso-pharyngeal swabs collected in a National Reference Laboratory and real-time PCR techniques, viral cultures and phylogenetic analyses.
results50.2% of samples were positive for at least one virus with influenza viruses (Flu A: ~15%; Flu B: ~9%), rhinoviruses (~8%), coronaviruses (~5%) and hRSV (~4%) being the most frequently identified. The pattern of viral infections varied according to age groups. The elucidation rate was the highest (>60%) amongst patients under 10 yo and the lowest (<40%) amongst patients ≥60 yo. Nearly 3% of samples showed dual viral infections. Epidemiological peaks were associated with a predominant virus but generally included 30-50% of infections by different viruses. Unexpectedly, the frequency of influenza in the 0-4 yo population was very low and a complete hRSV eclipse occurred in 2011. Genetic analyses indicated that distinct evolutionary lineages of Flu A(H1N1)pdm2009, Flu A/H3N2 and Flu B have co-circulated in Bolivia in the study period, originating from Central and North America, Europe, Asia and Australia.
conclusionOur results emphasise the requirement for a reinforced epidemiological and genetic follow-up of influenza and other ILIs in Bolivia to further inform the preparation of vaccines used in the region, guide vaccination campaigns and improve the medical management of patients.
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