Molecular characterization of dengue virus 1 from autochthonous dengue fever cases in Croatia

Kurolt, Ivan-Christian; Betica-Radić, Ljiljana; Đaković-Rode, Oktavija; Franco, Leticia; Zelená, Hana; Tenorio, Antonio; Markotić, Alemka

doi:10.1111/1469-0691.12104

Cited by 25 publications

(19 citation statements)

References 8 publications

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“…In 2010, it became clear that even travelling to non-endemic regions, such as southern Europe, pose a risk to acquire dengue fever as illustrated by reports on autochthonous cases in France and Croatia. [3][4][5][6] It is noteworthy that this phenomenon is of concern for other arboviruses as well as demonstrated for chikungunya virus in Italy 12 and West Nile virus in Greece. 13 The epidemic in Madeira 7,8 illustrates the recent reemergence of DENV in Europe.…”

Section: Discussionmentioning

confidence: 99%

“…7,8 In Madeira, only DENV-1 was circulating during the epidemic. Sequencing of the E/NS1 junction genome fragment is useful for accurate determination of the causing genotype as shown in cases in Croatia 6 and imported to Europe 11 and can contribute to the epidemiology of the disease. The phylogenetic analysis of this study was also based on this fragment and revealed that isolate BE56 of the Belgian traveler falls within the South American lineage of the American/African (V) genotype of DENV-1, being most closely related to the isolate detected in Colombia in 2008.…”

Section: Figurementioning

confidence: 99%

“…Direct comparison of the BE56 sequence with those described in the previous reports 7,9 was not possible because of the use of other sequencing targets. However, comparison was possible with the sequence of the autochthonous case from Croatia in 2010 6 and indicated that both strains belong to the same American/African genotype but that the Croatian genotype clustered together with Indian lineage. It is thus very unlikely that DENV1 was introduced from the same origin in both Southern European countries, which are about 5,000 km away from each other.…”

Section: Figurementioning

confidence: 99%

“…Locally acquired DENV infections occurred in France in 2010 and 2013 3,4 and in Croatia in 2010. 5,6 In 2012, the Madeira islands (Portugal) were confronted with the first sustained epidemic of dengue fever in Europe since 1927 to 1928 when dengue hit Greece. cases were reported from Madeira islands.…”

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confidence: 99%

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Three Cases of Imported Dengue Virus Infection From Madeira to Belgium, 2012

Cnops

Franco

Meensel³

et al. 2014

J Travel Med

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We report three laboratory-confirmed dengue virus (DENV) infections imported to Belgium by travelers returning from Madeira (Portugal). Despite the use of a mosquito-repellent spray as reported by two patients, the infection could not be prevented. Diagnosis was made by antigen detection and real-time reverse transcriptase polymerase chain reaction (RT-PCR) in two cases and by serology 1 month after onset of symptoms in a third one. The responsible virus was identified as DENV serotype 1, American/African genotype (genotype V). The close relationship to isolates from Colombia supports the previous findings that a South American strain originated the outbreak in Madeira in 2012.

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Section: Discussionmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

mentioning

confidence: 99%

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Three Cases of Imported Dengue Virus Infection From Madeira to Belgium, 2012

Cnops

Franco

Meensel³

et al. 2014

J Travel Med

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“…However, they could have been occurred since some cases may goes under detected as happened in Croatia for DENV infection (Kurolt et al, 2013). There is a clear overlap of the peaks of imported cases and the vector's activity (Figure 6).…”

Section: Discussionmentioning

confidence: 99%

Imported Zika Virus in a European City: How to Prevent Local Transmission?

Millet¹,

Montalvo²,

Bueno-Marí³

et al. 2017

Front. Microbiol.

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Background: On February 1st 2016 the WHO declared the Zika Virus (ZIKV) infection a worldwide public health emergency because of its rapid expansion and severe complications, such as Guillain-Barré Syndrome or microcephaly in newborn. The huge amount of people traveling to endemic areas and the presence of Aedes albopictus in Barcelona increase the risk of autochtonous transmission. The objective of this study was to describe the first ZIKV cases diagnosed in our city and to analyze the surveillance, prevention, and control measures implemented to avoid autochthonous transmission.Methods: An observational cross-sectional population-based study in Barcelona, Spain was performed.An analysis of the socio-demographic, epidemiological, clinical characteristics, and mosquito control activities of the ZIKV cases detected between January 1st and December 2016 was carried out using a specific ZIKV epidemiological survey of the Barcelona Public Health Agency.Results: A total of 118 notifications of possible ZIKV infections were received, and 44 corresponded to confirmed cases in Barcelona residents.Amongst these, the median age was 35 years and 57% were women. All cases were imported, 48% were Spanish-born and 52% foreign-born. Dominican Republic was the most visited country amongst foreign-born patients and Nicaragua amongst Spanish-born. The most frequent symptoms were exanthema, fever, and arthralgia. Among the 24 diagnosed women, 6 (25%) were pregnant. There was one case of microcephaly outside Barcelona city. Entomological inspections were done at the homes of 19 cases (43.2% of the total) and in 34 (77.3%) public spaces. Vector activity was found in one case of the 44 confirmed cases, and 134 surveillance and vector control were carried out associated to imported ZIKV cases. In all cases prevention measures were recommended to avoid mosquito bites on infected cases.Conclusion: Epidemiological and entomological surveillance are essential for the prevention of autochthonous transmission of arbovirosis that may have a great impact on Public Health.The good coordination between epidemiologists, entomologists, microbiologists, and clinicians is a priority in a touristic city with an intense relationship with endemic countries to minimize the risk of local transmission by competent vectors.

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Dengue fever virus in Pakistan: effects of seasonal pattern and temperature change on distribution of vector and virus

et al. 2016

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Dengue fever is regarded as one of the most prominent emerging arboviral infections in Pakistan since its first epidemic almost 2 decades ago. Interplay between potential vectors, susceptible host, and lax environmental conditions may promote the infection, leading to an epidemic. These factors may indeed have played a major role in the spread of the disease in the country, which was limited to Karachi till 2006. With recent natural disasters such as the earthquake in 2005 and flooding in 2010, 2011 and 2012, numbers of vector-borne diseases and outbreaks including dengue fever are on the rise in Pakistan. Therefore, it is a major concern for health sector workers and of utmost importance to have some understanding of the factors affecting disease outbreak for better risk assessment in the region. In the following report we review the climatic as well as host- and vector-associated factors involved in the outbreak of dengue epidemics in Pakistan and highlight high-risk zones in the country.

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Molecular characterization of dengue virus 1 from autochthonous dengue fever cases in Croatia

Cited by 25 publications

References 8 publications

Three Cases of Imported Dengue Virus Infection From Madeira to Belgium, 2012

Three Cases of Imported Dengue Virus Infection From Madeira to Belgium, 2012

Imported Zika Virus in a European City: How to Prevent Local Transmission?

Dengue fever virus in Pakistan: effects of seasonal pattern and temperature change on distribution of vector and virus

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