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  • Articles: DFG German National Licenses  (2)
  • 1995-1999  (2)
  • Azelluläre Pertussisvakzine  (1)
  • Key words:Vespula, Polistes, Vespidae, foraging, resource choice.  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Insectes sociaux 46 (1999), S. 131-136 
    ISSN: 1420-9098
    Keywords: Key words:Vespula, Polistes, Vespidae, foraging, resource choice.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary: The role of visual cues provided by resident wasps on resource choice by yellowjacket and paper wasp foragers was investigated. Large spring queen yellowjackets and small early season yellowjacket foragers (Vespula germanica, Vespula maculifrons, and Vespula vidua) were extracted in hexane to remove odors and posed as though feeding at petri dish feeders bearing daisy-like flower models, equipped with microcapillary feeding tubes, and containing 1:3 honey:water solution. An array of five feeders was presented to foragers at a suburban and a woodland site in Saratoga Springs, New York. The visual cues provided by resident wasps influenced resource choice by approaching social wasp foragers. Vespula germanica, an introduced yellowjacket species that tends to dominate at rich resources, was the only wasp visiting the suburban feeders. Foragers of this species preferentially fed on feeders and flowers with posed wasps and fed most often next to large wasps. Polistes fuscatus foragers at the woodland site similarly preferred to feed on occupied feeders and flowers. Vespula maculifrons and V. consobrina preferentially visited unoccupied feeders. Individual V. maculifrons, V. consobrina and V. vidua foragers that landed on occupied feeders all preferentially visited unoccupied flowers on those feeders. Vespula vidua and V. flavopilosa foragers did not demonstrate a feeder preference based on the presence/absence of posed wasps. Vespula consobrina foragers that visited occupied feeders preferred those occupied by extracted V. maculifrons queens and workers; no other wasps showed species based landing preferences.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Monatsschrift Kinderheilkunde 146 (1998), S. 972-975 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Hypoton-hyporesponsive Episode ; Impfung ; Unerwünschtes Ereignis ; Azelluläre Pertussisvakzine ; Key words Hypotonic-hyporesponsive episode ; Immunization ; Adverse event ; Acellular pertussis vaccine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Background: Hypotonic-hyporesponsive episodes are rare side effects which may occur in infants within a few hours after immunization with diphtheria-tetanus-toxoid (DT) or diphtheria-tetanus-pertussis (DTP) vaccine. The patients appear in a shock-like condition, become pale, limp and unresponsive. This condition lasts for minutes to hours before the infants appear normal again. No sequelae have been reported. The etiology of this phenomenon is unknown. Case: A healthy 5 month old boy experienced a first hypotonic-hyporesponsive episode 3 hours after having received his second DTP(acellular)-Hib combined immunization along with a second dose of hepatitis B vaccine. One month later he received a third dose of the same DTPa-Hib vaccine and oral Polio and again a hypotonic-hyporesponsive episode occurred. The boy’s further development was normal, no sequelae have been observed. Discussion: The purpose of our report is to remind physicians of the rare possibility of a shock-like reaction after DT- or DTP immunization in infancy, which has also been observed in association with the use of the new acellular pertussis component vaccines – although less frequently than after conventional whole cell pertussis component vaccines. Furthermore, this is to our best knowledge the first report of a recurrent hypotonic-hyporesponsive episode and it suggests a predisposition for this reaction in our patient.
    Notes: Zusammenfassung Hintergrund: Hypoton-hyporesponsive Episoden treten als seltene Begleiterscheinung binnen weniger Stunden nach Diphtherie-Tetanus- (DT-) oder Diphtherie-Tetanus-Pertussis-Impfung (DPT-Impfungen) im Säuglingsalter auf. Sie sind durch einen schockartigen Zustand mit Blässe der Haut, reduziertem Muskeltonus und Apathie gekennzeichnet, der Minuten bis Stunden anhält, ehe eine plötzliche Normalisierung mit Restitutio ad integrum eintritt. Die Ursache ist ungeklärt. Fall: Ein unauffällig entwickelter männlicher Säugling zeigte im Alter von 5 Monaten nach der 2. DTPa-Hib-Kombinationsimpfung (mit azellulärer Pertussiskomponente) eine erste hypoton-hyporesponsive Episode. Bei der 3. DTPa-Hib-Immunisierung 1 Monat später kam es erneut zu einer hypoton-hyporesposiven Episode. Beide Episoden blieben ohne Folge, der Junge entwickelte sich weiterhin völlig normal. Diskussion: Unsere Mitteilung soll an die seltene Begleiterscheinung einer schockähnlichen Reaktion nach DT- bzw. DPT-Impfung im Säuglingsalter erinnern. Sie wird auch bei den neuen, sehr gut verträglichen azellulären Pertussisvakzinen beobachtet, wenn auch offenbar seltener als nach DPT-Impfung mit den herkömmlichen Ganzkeimvakzinen. Das hier erstmals berichtete wiederholte Auftreten einer solchen Reaktion läßt bei unserem Patienten an eine individuelle Disposition denken.
    Type of Medium: Electronic Resource
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