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Monitoring of putative vectors of bluetongue virus serotype 8, Germany.

Hoffmann B, Bauer B, Bauer C, Bätza HJ, Beer M, Clausen PH, Geier M, Gethmann JM, Kiel E, Liebisch G, Liebisch A, Mehlhorn H, Schaub GA, Werner D, Conraths FJ - Emerging Infect. Dis. (2009)

Bottom Line: To identify the vectors of bluetongue virus (BTV) in Germany, we monitored Culicoides spp. biting midges during April 2007-May 2008.Molecular characterization of batches of midges that tested positive for BTV suggests C. obsoletus sensu stricto as a relevant vector of bluetongue disease in central Europe.

View Article: PubMed Central - PubMed

Affiliation: Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.

ABSTRACT
To identify the vectors of bluetongue virus (BTV) in Germany, we monitored Culicoides spp. biting midges during April 2007-May 2008. Molecular characterization of batches of midges that tested positive for BTV suggests C. obsoletus sensu stricto as a relevant vector of bluetongue disease in central Europe.

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Related in: MedlinePlus

Monthly catches of midges of the Culicoides obsoletus group (black), C. pulicaris group (red), and other Culicoides spp. (blue) captured with 89 black light traps in Germany during 7 consecutive nights in the first week of each month during the study period (April 2007–May 2008). Batches consisting of <50 female biting midges were tested for bluetongue virus (BTV) by real-time reverse transcription–PCR. The total number of batches (green) and the number of batches positive for BTV (gold) are shown.
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Figure 2: Monthly catches of midges of the Culicoides obsoletus group (black), C. pulicaris group (red), and other Culicoides spp. (blue) captured with 89 black light traps in Germany during 7 consecutive nights in the first week of each month during the study period (April 2007–May 2008). Batches consisting of <50 female biting midges were tested for bluetongue virus (BTV) by real-time reverse transcription–PCR. The total number of batches (green) and the number of batches positive for BTV (gold) are shown.

Mentions: The overall number of biting midges caught started at a moderate level (11,577) in April 2007, peaked in October (246,882), decreased to low levels during December 2007–March 2008, and started to rise again (462) in April 2008 (Figure 2). Small numbers (66–81) of Culicoides spp. midges also were detected in some traps during January–March 2008. Members of the C. obsoletus group (including C. dewulfi) were most frequently trapped, followed by the C. pulicaris group. Biting midges of the C. pulicaris group were more often collected during spring and summer 2007 in discrete locations.


Monitoring of putative vectors of bluetongue virus serotype 8, Germany.

Hoffmann B, Bauer B, Bauer C, Bätza HJ, Beer M, Clausen PH, Geier M, Gethmann JM, Kiel E, Liebisch G, Liebisch A, Mehlhorn H, Schaub GA, Werner D, Conraths FJ - Emerging Infect. Dis. (2009)

Monthly catches of midges of the Culicoides obsoletus group (black), C. pulicaris group (red), and other Culicoides spp. (blue) captured with 89 black light traps in Germany during 7 consecutive nights in the first week of each month during the study period (April 2007–May 2008). Batches consisting of <50 female biting midges were tested for bluetongue virus (BTV) by real-time reverse transcription–PCR. The total number of batches (green) and the number of batches positive for BTV (gold) are shown.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2819873&req=5

Figure 2: Monthly catches of midges of the Culicoides obsoletus group (black), C. pulicaris group (red), and other Culicoides spp. (blue) captured with 89 black light traps in Germany during 7 consecutive nights in the first week of each month during the study period (April 2007–May 2008). Batches consisting of <50 female biting midges were tested for bluetongue virus (BTV) by real-time reverse transcription–PCR. The total number of batches (green) and the number of batches positive for BTV (gold) are shown.
Mentions: The overall number of biting midges caught started at a moderate level (11,577) in April 2007, peaked in October (246,882), decreased to low levels during December 2007–March 2008, and started to rise again (462) in April 2008 (Figure 2). Small numbers (66–81) of Culicoides spp. midges also were detected in some traps during January–March 2008. Members of the C. obsoletus group (including C. dewulfi) were most frequently trapped, followed by the C. pulicaris group. Biting midges of the C. pulicaris group were more often collected during spring and summer 2007 in discrete locations.

Bottom Line: To identify the vectors of bluetongue virus (BTV) in Germany, we monitored Culicoides spp. biting midges during April 2007-May 2008.Molecular characterization of batches of midges that tested positive for BTV suggests C. obsoletus sensu stricto as a relevant vector of bluetongue disease in central Europe.

View Article: PubMed Central - PubMed

Affiliation: Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.

ABSTRACT
To identify the vectors of bluetongue virus (BTV) in Germany, we monitored Culicoides spp. biting midges during April 2007-May 2008. Molecular characterization of batches of midges that tested positive for BTV suggests C. obsoletus sensu stricto as a relevant vector of bluetongue disease in central Europe.

Show MeSH
Related in: MedlinePlus