Survival of Avian H5N1 Influenza a Viruses in Calliphora nigribarbis (Diptera: Calliphoridae)

n a previous study, the highly pathogenic avian influenza (HPAI) H5N1 viruses were isolated from blow flies collected at the Tamba Town of Kyoto prefecture during the outbreak period in March 2004. In this study, we carried out virus exposure experiments to investigate whether the H5N1 virus would s...

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Bibliographic Details
Published in:	Journal of medical entomology Vol. 46; no. 4; pp. 852 - 855
Main Authors:	Sawabe, Kyoko, Tanabayashi, Kiyoshi, Hotta, Akitoyo, Hoshino, Keita, Isawa, Haruhiko, Sasaki, Toshinori, Yamada, Akio, Kurahashi, Hiromu, Shudo, Chieko, Kobayashi, Mutsuo
Format:	Journal Article
Language:	English
Published:	Lanham, MD Entomological Society of America 01-07-2009 Oxford University Press
Subjects:	Animals Aves Avian influenza Avian influenza viruses Biological and medical sciences blow fly Calliphora Calliphora nigribarbis Calliphoridae crop (digestive system) Diptera Diptera - virology disease outbreaks disease transmission Fundamental and applied biological sciences. Psychology highly pathogenic avian influenza H5N1 highly pathogenic H5N1 avian influenza Influenza A virus Influenza A Virus, H5N1 Subtype - isolation & purification Influenza A Virus, H5N1 Subtype - physiology insect vectors Insect Vectors - virology Insecta intestines Intestines - virology Invertebrates mechanical transmission Medically important nuisances and vectors, pests of stored products and materials: population survey and control Time Factors vector competence VECTOR/PATHOGEN/HOST INTERACTION, TRANSMISSION vectorial capacity Vectors. Intermediate hosts Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution viability virus exposure experiments Virus Replication Japan virus exposure experiments Insecta Transmission Parasite Survival Virus Vertebrata mechanical transmission Calliphoridae Calliphora Arthropoda Pathogenic Calliphora nigribarbis highly pathogenic H5N1 avian influenza Invertebrata Aves Vector Diptera blow fly
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Summary:	n a previous study, the highly pathogenic avian influenza (HPAI) H5N1 viruses were isolated from blow flies collected at the Tamba Town of Kyoto prefecture during the outbreak period in March 2004. In this study, we carried out virus exposure experiments to investigate whether the H5N1 virus would survive in a blow fly, Calliphora nigribarbis. The virus exposure experiments showed that the H5N1 influenza virus was isolated from the crop and intestine of C. nigribarbis for at least 24 h, and the viruses remained viable with titers ranging from 0.5 to 4.63 TCID50. This result suggests that C. nigribarbis could possibly transport the H5N1 virus over a distance of 2 km, which is the distance they can migrate within 24 h.
Bibliography:	http://dx.doi.org/10.1603/033.046.0416 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0022-2585 1938-2928 0022-2585
DOI:	10.1603/033.046.0416