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High Aedes spp. larval indices in Kinshasa, Democratic Republic of Congo Institute of Tropical Medicine

Francis Wat'senga Tezzo, Sylvie Fasine, Emile Manzambi Zola, Maria Del Carmen Marquetti, Guillaume Binene-Mbuka, Gillon Ilombe, Richard Mundeke Takasongo, Nathalie Smitz, Juan Andre Bisset, Wim Van Bortel, et al.

BACKGROUND: Dengue, yellow fever, chikungunya and Zika are among the most important emerging infectious vector-borne diseases worldwide. In the Democratic Republic of Congo (DRC), increases in cases of dengue and outbreaks of yellow fever and chikungunya have been reported since 2010. The main vectors of these arboviruses, Aedes aegypti and Aedes albopictus, have been reported in DRC, but there is a lack of detailed information on their ...

Enhancing preparedness for arbovirus infections with a One Health approach: the development and implementation of multisectoral risk assessment exercises Institute of Tropical Medicine

Maria Grazia Dente, Flavia Riccardo, Wim Van Bortel, Laurence Marrama, Thomas Mollet, Tarik Derrough, Bertrand Sudre, Paolo Calistri, Gloria Nacca, Alessia Ranghiasci, et al.

Background: One Health is receiving attention for arbovirus infection prevention and control and for defining national "intersectoral" priorities. Increasing awareness of intersectoral priorities through multisectorial risk assessments (MRA) is promising, where data are not systematically shared between sectors. Towards this aim, the MediLabSecure project organized three MRA exercises (hereby called exercises): one on West Nile virus, one on ...

Assessment of the probability of entry of Rift Valley fever virus into the EU through active or passive movement of vectors Institute of Tropical Medicine

Wim Van Bortel, Dusan Petric, Adolfo Ibáñez Justicia, William Wint, Meryam Krit, Joachim Mariën, Adwine Vanslembrouck, Marieta Braks
The overall aim of this scientific report is the assessment of the probability of entry of Rift Valley fever virus (RVFV) into the European Union (EU) through active or passive movement of vectors. Two different import pathways were considered in this report, i.e. import through flights and import via cargo on ships. The import through road transport, eggs or immature stages, and wind was not considered in this report as thought to be ...

Molecular characterization of chikungunya virus during the 2019 outbreak in the Democratic Republic of the Congo Institute of Tropical Medicine

Philippe Selhorst, Sheila Makiala-Mandanda, Birgit De Smet, Joachim Mariën, Colin Anthony, Guillaume Binene-Mbuka, Anja De Weggheleire, Gillon Ilombe, Eddy Kinganda-Lusamaki, Elisabeth Pukuta-Simbu, et al.

Early 2019, a chikungunya virus (CHIKV) outbreak hit the Democratic Republic of the Congo (DRC). Though seldomly deadly, this mosquito-borne disease presents as an acute febrile (poly)arthralgia often followed by long-term sequelae. Although Aedes aegypti is the primary vector, an amino acid substitution in the viral envelope gene E1 (A226V) is causing concern as it results in increased transmission by Aedes albopictus, a mosquito with a ...

Detection of exotic mosquito species (Diptera: Culicidae) at international airports in Europe Institute of Tropical Medicine

Adolfo Ibáñez Justicia, Nathalie Smitz, Wietse den Hartog, Bart van de Vossenberg, Katrien De Wolf, Isra Deblauwe, Wim Van Bortel, Frans Jacobs, Alexander G C Vaux, Jolyon M Medlock, et al.

In Europe, the air-borne accidental introduction of exotic mosquito species (EMS) has been demonstrated using mosquito surveillance schemes at Schiphol International Airport (Amsterdam, The Netherlands). Based upon these findings and given the increasing volume of air transport movements per year, the establishment of EMS after introduction via aircraft is being considered a potential risk. Here we present the airport surveillance results ...

Past and future spread of the arbovirus vectors Aedes aegypti and Aedes albopictus Institute of Tropical Medicine

Moritz U G Kraemer, Robert C Reiner, Oliver J Brady, Jane P Messina, Marius Gilbert, David M Pigott, Dingdong Yi, Kimberly Johnson, Lucas Earl, Laurie B Marczak, et al.

The global population at risk from mosquito-borne diseases-including dengue, yellow fever, chikungunya and Zika-is expanding in concert with changes in the distribution of two key vectors: Aedes aegypti and Aedes albopictus. The distribution of these species is largely driven by both human movement and the presence of suitable climate. Using statistical mapping techniques, we show that human movement patterns explain the spread of both ...