Dataset Information

Louseborne Relapsing Fever among East African Refugees, Italy, 2015.

ABSTRACT: During June 9-September 30, 2015, five cases of louseborne relapsing fever were identified in Turin, Italy. All 5 cases were in young refugees from Somalia, 2 of whom had lived in Italy since 2011. Our report seems to confirm the possibility of local transmission of louse-borne relapsing fever.

SUBMITTER: Lucchini A

PROVIDER: S-EPMC4734540 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Louseborne Relapsing Fever among East African Refugees, Italy, 2015.

Lucchini Anna A Lipani Filippo F Costa Cecilia C Scarvaglieri Mariaelisabetta M Balbiano Rosanna R Carosella Sinibaldo S Calcagno Andrea A Audagnotto Sabrina S Barbui Anna Maria AM Brossa Silvia S Ghisetti Valeria V Ghisetti Valeria V Dal Conte Ivano I Caramello Pietro P Di Perri Giovanni G

Emerging infectious diseases 20160201 2

During June 9-September 30, 2015, five cases of louseborne relapsing fever were identified in Turin, Italy. All 5 cases were in young refugees from Somalia, 2 of whom had lived in Italy since 2011. Our report seems to confirm the possibility of local transmission of louse-borne relapsing fever. ...[more]

PMID: 26812354

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Project description:BackgroundAfrican swine fever (ASF) is a highly fatal viral hemorrhagic disease of domestic pigs that threatens livelihoods and food security. In Africa, ASF virus (ASFV) circulates in sylvatic (transmission between warthogs and soft argasid ticks) and domestic (transmission between domestic pigs) cycles, with outbreaks resulting from ASFV spill-over from sylvatic cycle. A number of outbreaks were reported in different parts of Tanzania between 2015 and 2017. The present study investigated ASFV transmission patterns through viral DNA sequencing and phylogenetic analysis. A total of 3120 tissue samples were collected from 2396 domestic pigs during outbreaks at different locations in Tanzania between 2015 and 2017. Partial sequencing of the B646L (p72) gene was conducted for diagnostic confirmation and molecular characterization of ASFV. Phylogenetic analysis to study the relatedness of current ASFV with those that caused previous outbreaks in Tanzania and representatives of all known 24 ASFV was performed using the Maximum Composite Likelihood model with 1000 bootstrap replications in MEGA 6.0.ResultsASFV was confirmed to cause disease in sampled domestic pigs. ASFV genotypes II, IX, and X were detected from reported outbreaks in 2015-2017. The current ASFV isolates were similar to those recently documented in the previous studies in Tanzania. The similarities of these isolates suggests for continuous circulation of ASFV with virus maintenance within the domestic pigs.ConclusionsGenetic analysis confirmed the circulation of ASFV genotypes II, IX, and X by partial B646L (p72) gene sequencing. The similarities of current isolates to previously isolated Tanzanian isolates and pattern of disease spread suggest for continuous circulation of ASF with virus' maintenance in the domestic pigs. Although certain viral genotypes seem to be geographically restricted into certain zones within Tanzania, genotype II seems to expand its geographical range northwards with the likelihood of spreading to other states of the East African Community. The spread of ASFV is due to breach of quarantine and transportation of infected pigs via major highways. Appropriate control measures including zoosanitary measures and quarantine enforcement are recommended to prevent ASF domestic circulation in Tanzania.

Dataset Information

Louseborne Relapsing Fever among East African Refugees, Italy, 2015.

Publications

Louseborne Relapsing Fever among East African Refugees, Italy, 2015.

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