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Book ; Thesis: Untersuchungen zum Vorkommen von aviären Influenzaviren bei synanthropen Tauben, bei Beizvögeln, deren Beutewild sowie bei Falknern

Kohls, Andrea

2010

Author's details	vorgelegt von Andrea Kohls
Keywords	Greifvögel ; Geflügelpestvirus ; Tauben ; Falkner
Language	German
Size	V, 184 S., graph. Darst., 21 cm
Publisher	mbv
Publishing place	Berlin
Document type	Book ; Thesis
Thesis / German Habilitation thesis	Freie Univ., Diss.--Berlin, 2010
ISBN	386664776X ; 9783866647763
Database	Special collection on veterinary medicine and general parasitology

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Book ; Online ; Thesis: Untersuchungen zum Vorkommen von aviären Influenzaviren bei synanthropen Tauben, bei Beizvögeln, deren Beutewild sowie bei Falknern

Kohls, Andrea

2010

Title variant	Investigations into the prevalence of avian influenza viruses (AIV) in synantropic pigeons, in falconry birds, their avian prey as well as in falconers
Author's details	Andrea Kohls
Keywords	Greifvögel ; Geflügelpestvirus ; Tauben ; Falkner
Language	German
Size	Online-Ressource
Publisher	Freie Universität Berlin
Publishing place	Berlin
Document type	Book ; Online ; Thesis
Thesis / German Habilitation thesis	Berlin, Freie Universität Berlin, Diss., 2010
Note	Gedr. Ausg. unter ISBN 978-3-8664-776-3 ersch
Database	Special collection on veterinary medicine and general parasitology

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Book ; Online ; Thesis: Untersuchungen zum Vorkommen von aviären Influenzaviren bei synanthropen Tauben, bei Beizvögeln, deren Beutewild sowie bei Falknern

Kohls, Andrea [Verfasser]

2010

Author's details	Andrea Kohls
Keywords	Landwirtschaft, Veterinärmedizin ; Agriculture, Veterinary Science
Subject code	sg630
Language	German
Publisher	Freie Universität Berlin
Publishing place	Berlin
Document type	Book ; Online ; Thesis
Database	Digital theses on the web

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Article: Influenza A virus monitoring in urban and free-ranging pigeon populations in Germany, 2006-2008.

Kohls, Andrea / Lüschow, Dörte / Lierz, Michael / Hafez, Hafez M

Avian diseases

2011 Volume 55, Issue 3, Page(s) 447–450

Abstract: Tracheal and cloacal swabs as well as blood samples from 408 feral urban (Columba livia forma domestica) and 170 free-ranging wood pigeons (Columba palumbus) in Germany were tested for infection with avian influenza viruses (AIVs). Neither influenza A ... ...

Abstract	Tracheal and cloacal swabs as well as blood samples from 408 feral urban (Columba livia forma domestica) and 170 free-ranging wood pigeons (Columba palumbus) in Germany were tested for infection with avian influenza viruses (AIVs). Neither influenza A virus was isolated in the swab samples nor influenza A virus RNA detected using real-time reverse transcriptase-PCR (RT-qPCR). In three urban feral pigeons, avian paramyxovirus (APMV) serotype 1 was isolated. Two of 123 serum samples from hunted free-ranging wood pigeons contained specific antibodies against influenza A virus but not against the subtypes H5 and H7. In conclusion, our study indicates that even after the occurrence of zoonotic highly pathogenic avian influenza virus (HPAIV) subtype H5N1 in the area of investigation in Germany, pigeons do not play a major part in the transmission of influenza viruses. The risk of AIV infection for humans from urban and free-ranging wood pigeons is, if at all, of minimal importance.
MeSH term(s)	Animals ; Bird Diseases/epidemiology ; Bird Diseases/transmission ; Bird Diseases/virology ; Chick Embryo ; Chickens ; Cloaca/virology ; Columbidae ; Germany/epidemiology ; Influenza A virus/isolation & purification ; Influenza in Birds/epidemiology ; Influenza in Birds/transmission ; Influenza in Birds/virology ; Newcastle Disease/epidemiology ; Newcastle Disease/transmission ; Newcastle disease virus/isolation & purification ; Reverse Transcriptase Polymerase Chain Reaction ; Species Specificity ; Specific Pathogen-Free Organisms ; Trachea/virology
Language	English
Publishing date	2011-09
Publishing country	United States
Document type	Journal Article
ZDB-ID	40871-2
ISSN	1938-4351 ; 0005-2086
ISSN (online)	1938-4351
ISSN	0005-2086
DOI	10.1637/9567-100710-ResNote.1
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Avian influenza virus risk assessment in falconry

Lüschow Dörte / Lierz Peter / Jansen Andreas / Harder Timm / Hafez Hafez / Kohls Andrea / Schweiger Brunhilde / Lierz Michael

Virology Journal, Vol 8, Iss 1, p

2011 Volume 187

Abstract: Abstract Background There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) ... ...

Abstract	Abstract Background There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) as well as their avian prey such as gulls and ducks. Both (hunting birds and prey birds) seem to be highly susceptible to some AIV strains, especially H5N1. We therefore conducted a field study to investigate AIV infections in falconers, their falconry birds as well as prey birds. Findings During 2 hunting seasons (2006/2007 and 2007/2008) falconers took tracheal and cloacal swabs from 1080 prey birds that were captured by their falconry birds (n = 54) in Germany. AIV-RNA of subtypes H6, H9, or H13 was detected in swabs of 4.1% of gulls (n = 74) and 3.8% of ducks (n = 53) using RT-PCR. The remaining 953 sampled prey birds and all falconry birds were negative. Blood samples of the falconry birds tested negative for AIV specific antibodies. Serum samples from all 43 falconers reacted positive in influenza A virus-specific ELISA, but remained negative using microneutralisation test against subtypes H5 and H7 and haemagglutination inhibition test against subtypes H6, H9 and H13. Conclusion Although we were able to detect AIV-RNA in samples from prey birds, the corresponding falconry birds and falconers did not become infected. Currently falconers do not seem to carry a high risk for getting infected with AIV through handling their falconry birds and their prey.
Keywords	Microbiology ; QR1-502 ; Science ; Q ; DOAJ:Microbiology ; DOAJ:Biology ; DOAJ:Biology and Life Sciences ; Medicine (General) ; R5-920 ; Medicine ; R ; DOAJ:Medicine (General) ; DOAJ:Health Sciences
Subject code	590
Language	English
Publishing date	2011-04-01T00:00:00Z
Publisher	BioMed Central
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Avian influenza virus risk assessment in falconry.

Kohls, Andrea / Hafez, Hafez Mohamed / Harder, Timm / Jansen, Andreas / Lierz, Peter / Lüschow, Dörte / Schweiger, Brunhilde / Lierz, Michael

Virology journal

2011 Volume 8, Page(s) 187

Abstract: Background: There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) as well ... ...

Abstract	Background: There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) as well as their avian prey such as gulls and ducks. Both (hunting birds and prey birds) seem to be highly susceptible to some AIV strains, especially H5N1. We therefore conducted a field study to investigate AIV infections in falconers, their falconry birds as well as prey birds. Findings: During 2 hunting seasons (2006/2007 and 2007/2008) falconers took tracheal and cloacal swabs from 1080 prey birds that were captured by their falconry birds (n = 54) in Germany. AIV-RNA of subtypes H6, H9, or H13 was detected in swabs of 4.1% of gulls (n = 74) and 3.8% of ducks (n = 53) using RT-PCR. The remaining 953 sampled prey birds and all falconry birds were negative. Blood samples of the falconry birds tested negative for AIV specific antibodies. Serum samples from all 43 falconers reacted positive in influenza A virus-specific ELISA, but remained negative using microneutralisation test against subtypes H5 and H7 and haemagglutination inhibition test against subtypes H6, H9 and H13. Conclusion: Although we were able to detect AIV-RNA in samples from prey birds, the corresponding falconry birds and falconers did not become infected. Currently falconers do not seem to carry a high risk for getting infected with AIV through handling their falconry birds and their prey.
MeSH term(s)	Animals ; Falconiformes/virology ; Influenza A Virus, H5N1 Subtype/genetics ; Influenza A Virus, H5N1 Subtype/isolation & purification ; Influenza A Virus, H5N1 Subtype/physiology ; Influenza A virus/genetics ; Influenza A virus/isolation & purification ; Influenza A virus/physiology ; Influenza in Birds/transmission ; Influenza in Birds/virology ; Raptors
Language	English
Publishing date	2011-04-23
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1743-422X
ISSN (online)	1743-422X
DOI	10.1186/1743-422X-8-187
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Sarcocystis species lethal for domestic pigeons.

Olias, Philipp / Gruber, Achim D / Kohls, Andrea / Hafez, Hafez M / Heydorn, Alfred Otto / Mehlhorn, Heinz / Lierz, Michael

Emerging infectious diseases

2010 Volume 16, Issue 3, Page(s) 497–499

Abstract: A large number of Sarcocystis spp. infect birds as intermediate hosts, but pigeons are rarely affected. We identified a novel Sarcocystis sp. that causes lethal neurologic disease in domestic pigeons in Germany. Experimental infections indicated ... ...

Abstract	A large number of Sarcocystis spp. infect birds as intermediate hosts, but pigeons are rarely affected. We identified a novel Sarcocystis sp. that causes lethal neurologic disease in domestic pigeons in Germany. Experimental infections indicated transmission by northern goshawks, and sequence analyses indicated transnational distribution. Worldwide spread is possible.
MeSH term(s)	Animals ; Bird Diseases/mortality ; Bird Diseases/parasitology ; Columbidae/parasitology ; DNA, Protozoan/analysis ; DNA, Protozoan/isolation & purification ; Germany ; Hawks/parasitology ; Host-Parasite Interactions ; Sarcocystis/genetics ; Sarcocystis/isolation & purification ; Sarcocystis/pathogenicity ; Sarcocystosis/mortality ; Sarcocystosis/parasitology ; Sarcocystosis/veterinary ; Species Specificity
Chemical Substances	DNA, Protozoan
Language	English
Publishing date	2010-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	1380686-5
ISSN	1080-6059 ; 1080-6040
ISSN (online)	1080-6059
ISSN	1080-6040
DOI	10.3201/eid1603.090860
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Anatomical distribution of avian bornavirus in parrots, its occurrence in clinically healthy birds and ABV-antibody detection

Lierz, Michael / Hafez, Hafez M / Honkavuori, Kirsi S / Gruber, Achim D / Olias, Philipp / Abdelwhab, Elsayed M / Kohls, Andrea / Lipkin, W. Ian / Briese, Thomas / Hauck, Ruediger

Avian pathology. 2009 Dec., v. 38, no. 6

2009

Abstract: Proventricular dilatation disease (PDD) is a fatal infectious disease of birds that primarily affects psittacine birds. Although a causative agent has not been formally demonstrated, the leading candidate is a novel avian bornavirus (ABV) detected in ... ...

Abstract	Proventricular dilatation disease (PDD) is a fatal infectious disease of birds that primarily affects psittacine birds. Although a causative agent has not been formally demonstrated, the leading candidate is a novel avian bornavirus (ABV) detected in post-mortem tissue samples of psittacids with PDD from the USA, Israel and, recently, Germany. Here we describe the presence of ABV in a parrot with PDD as well as in clinically normal birds exposed to birds with PDD. In two ABV-positive post-mortem cases, the tissue distribution of ABV was investigated by quantitative real-time reverse transcription-polymerase chain reaction. Viraemia was observed in a PDD-affected bird whereas a restriction of ABV to nerve tissue was found in the non-PDD-affected bird. Healthy birds from the same aviary as the affected birds were also found to harbour the virus; 19/59 (32.2%) birds tested positive for ABV RNA in cloacal swabs, providing the first evidence of ABV in clinically healthy birds. In contrast, 39 birds from the same geographic area, but from two different aviaries without PDD cases in recent years, had negative cloacal swabs. ABV RNA-positive, clinically healthy birds demonstrated the same serological response as the animal with confirmed PDD. These results indicate that ABV infection may occur without clinical evidence of PDD and suggest that cloacal swabs can enable the non-invasive detection of ABV infection.
Keywords	Psittacidae ; ornamental birds ; Bornavirus ; vertebrate viruses ; viral diseases of animals and humans ; bird diseases ; proventriculus ; animal tissues ; signs and symptoms (animals and humans) ; pathogen identification ; necropsy ; reverse transcriptase polymerase chain reaction ; nerve tissue ; viremia ; immune response ; disease detection
Language	English
Dates of publication	2009-12
Size	p. 491-496.
Document type	Article
ZDB-ID	1476380-1
ISSN	1465-3338 ; 0307-9457
ISSN (online)	1465-3338
ISSN	0307-9457
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Avian influenza virus risk assessment in falconry

Kohls, Andrea / Hafez, Hafez Mohamed / Harder, Timm / Jansen, Andreas / Lierz, Peter / Lüschow, Dörte / Schweiger, Brunhilde / Lierz, Michael

2011

Abstract	Background: There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) as well as their avian prey such as gulls and ducks. Both (hunting birds and prey birds) seem to be highly susceptible to some AIV strains, especially H5N1. We therefore conducted a field study to investigate AIV infections in falconers, their falconry birds as well as prey birds. Findings: During 2 hunting seasons (2006/2007 and 2007/2008) falconers took tracheal and cloacal swabs from 1080 prey birds that were captured by their falconry birds (n = 54) in Germany. AIV-RNA of subtypes H6, H9, or H13 was detected in swabs of 4.1% of gulls (n = 74) and 3.8% of ducks (n = 53) using RT-PCR. The remaining 953 sampled prey birds and all falconry birds were negative. Blood samples of the falconry birds tested negative for AIV specific antibodies. Serum samples from all 43 falconers reacted positive in influenza A virus-specific ELISA, but remained negative using microneutralisation test against subtypes H5 and H7 and haemagglutination inhibition test against subtypes H6, H9 and H13. Conclusion: Although we were able to detect AIV-RNA in samples from prey birds, the corresponding falconry birds and falconers did not become infected. Currently falconers do not seem to carry a high risk for getting infected with AIV through handling their falconry birds and their prey.
Keywords	Medizin ; Animals ; Influenza A Virus ; Influenza in Birds/virology ; Falconiformes/virology ; Influenza A Virus H5N1 Subtype/genetics ; H5N1 Subtype/isolation & purification ; Influenza A Virus H5N1 Subtype/physiology ; Influenza A virus/genetics ; Influenza A virus/isolation & purification ; Influenza A virus/physiology ; Influenza in Birds/transmission ; Raptors ; ddc:610
Language	English
Publishing date	2011-04-23
Publisher	Infektionsepidemiologie
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Avian influenza virus risk assessment in falconry

Kohls, Andrea / Hafez, Hafez Mohamed / Harder, Timm / Jansen, Andreas / Lierz, Peter / Lüschow, Dörte / Schweiger, Brunhilde / Lierz, Michael

2011

Abstract	Background: There is a continuing threat of human infections with avian influenza viruses (AIV). In this regard falconers might be a potential risk group because they have close contact to their hunting birds (raptors such as falcons and hawks) as well as their avian prey such as gulls and ducks. Both (hunting birds and prey birds) seem to be highly susceptible to some AIV strains, especially H5N1. We therefore conducted a field study to investigate AIV infections in falconers, their falconry birds as well as prey birds. Findings: During 2 hunting seasons (2006/2007 and 2007/2008) falconers took tracheal and cloacal swabs from 1080 prey birds that were captured by their falconry birds (n = 54) in Germany. AIV-RNA of subtypes H6, H9, or H13 was detected in swabs of 4.1% of gulls (n = 74) and 3.8% of ducks (n = 53) using RT-PCR. The remaining 953 sampled prey birds and all falconry birds were negative. Blood samples of the falconry birds tested negative for AIV specific antibodies. Serum samples from all 43 falconers reacted positive in influenza A virus-specific ELISA, but remained negative using microneutralisation test against subtypes H5 and H7 and haemagglutination inhibition test against subtypes H6, H9 and H13. Conclusion: Although we were able to detect AIV-RNA in samples from prey birds, the corresponding falconry birds and falconers did not become infected. Currently falconers do not seem to carry a high risk for getting infected with AIV through handling their falconry birds and their prey.
Keywords	Animals ; Influenza A Virus ; Influenza in Birds/virology ; Falconiformes/virology ; Influenza A Virus H5N1 Subtype/genetics ; H5N1 Subtype/isolation & purification ; Influenza A Virus H5N1 Subtype/physiology ; Influenza A virus/genetics ; Influenza A virus/isolation & purification ; Influenza A virus/physiology ; Influenza in Birds/transmission ; Raptors ; 610 Medizin ; ddc:610
Language	English
Publishing date	2011-04-23
Publisher	Robert Koch-Institut, Infektionsepidemiologie
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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