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Author Sinclair, M.; Buhrmann, G.; Gummow, B.
Title An epidemiological investigation of the African horsesickness outbreak in the Western Cape Province of South Africa in 2004 and its relevance to the current equine export protocol Type Journal Article
Year 2006 Publication Journal of the South African Veterinary Association Abbreviated Journal J S Afr Vet Assoc
Volume 77 Issue (up) 4 Pages 191-196
Keywords African Horse Sickness/diagnosis/*epidemiology; African horse sickness virus/*isolation & purification; Animals; Ceratopogonidae/virology; Diagnosis, Differential; Disease Outbreaks/*veterinary; Female; Horses; Insect Vectors/virology; Male; Prevalence; Retrospective Studies; Sentinel Surveillance; South Africa/epidemiology; Viral Vaccines/administration & dosage
Abstract African Horsesickness (AHS) is a controlled disease in South Africa. The country is divided into an infected area and a control area. An outbreak of AHS in the control area can result in a ban of exports for at least 2 years. A retrospective epidemiological study was carried out on data collected during the 2004 AHS outbreak in the surveillance zone of the AHS control area in the Western Cape Province. The objective of this study was to describe the 2004 outbreak and compare it with the 1999 AHS outbreak in the same area. As part of the investigation, a questionnaire survey was conducted in the 30 km radius surrounding the index case. Spatial, temporal and population patterns for the outbreak are described. The investigation found that the outbreak occurred before any significant rainfall and that the main AHS vector (Culicoides imicola) was present in abundance during the outbreak. Furthermore, 63% of cases occurred at temperatures < or = 15 degrees C, the Eerste River Valley was a high risk area, only 17% of owners used vector protection as a control measure and 70% of horses in the outbreak area were protected by means of vaccination at the start of the outbreak. The study revealed that the current AHS control measures do not function optimally because of the high percentage of vaccinated horses in the surveillance zone, which results in insufficient sentinel animals and the consequent failure of the early warning system. Alternative options for control that allow continued export are discussed in the paper.
Address State Veterinarian Epidemiology, Elsenburg, South Africa. marnas@elsenburg.com
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1019-9128 ISBN Medium
Area Expedition Conference
Notes PMID:17458343 Approved no
Call Number Equine Behaviour @ team @ Serial 2354
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Author Marfin, A.A.; Petersen, L.R.; Eidson, M.; Miller, J.; Hadler, J.; Farello, C.; Werner, B.; Campbell, G.L.; Layton, M.; Smith, P.; Bresnitz, E.; Cartter, M.; Scaletta, J.; Obiri, G.; Bunning, M.; Craven, R.C.; Roehrig, J.T.; Julian, K.G.; Hinten, S.R.; Gubler, D.J.
Title Widespread West Nile virus activity, eastern United States, 2000 Type Journal Article
Year 2001 Publication Emerging Infectious Diseases Abbreviated Journal Emerg Infect Dis
Volume 7 Issue (up) 4 Pages 730-735
Keywords Animals; Bird Diseases/epidemiology/virology; Culicidae/virology; *Disease Outbreaks; Ecology; Horse Diseases/epidemiology/virology; Horses; Humans; Population Surveillance; Songbirds/virology; United States/epidemiology; West Nile Fever/*epidemiology/veterinary/virology; *West Nile virus
Abstract In 1999, the U.S. West Nile (WN) virus epidemic was preceded by widespread reports of avian deaths. In 2000, ArboNET, a cooperative WN virus surveillance system, was implemented to monitor the sentinel epizootic that precedes human infection. This report summarizes 2000 surveillance data, documents widespread virus activity in 2000, and demonstrates the utility of monitoring virus activity in animals to identify human risk for infection.
Address Division of Vector-Borne Infections Diseases, Centers for Disease Control and Prevention, P.O. Box 2087, Fort Collins, CO 80522, USA. aam@cdc.gov
Corporate Author ArboNET Cooperative Surveillance Group Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1080-6040 ISBN Medium
Area Expedition Conference
Notes PMID:11585539 Approved no
Call Number Equine Behaviour @ team @ Serial 2646
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Author [No authors listed]
Title African horse sickness--a serious disease Type
Year 2006 Publication Australian Veterinary Journal Abbreviated Journal Aust Vet J
Volume 84 Issue (up) 5 Pages N24-5
Keywords *African Horse Sickness/epidemiology/pathology/prevention & control/transmission; African horse sickness virus/pathogenicity; Animals; Australia/epidemiology; Disease Outbreaks/prevention & control/veterinary; *Equidae; Horses; Vaccination/veterinary
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0005-0423 ISBN Medium
Area Expedition Conference
Notes PMID:16739521 Approved no
Call Number Equine Behaviour @ team @ Serial 2356
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Author Munoz-Sanz, A.
Title [Christopher Columbus flu. A hypothesis for an ecological catastrophe] Type Journal Article
Year 2006 Publication Enfermedades Infecciosas y Microbiologia Clinica Abbreviated Journal Enferm Infecc Microbiol Clin
Volume 24 Issue (up) 5 Pages 326-334
Keywords Animals; Atlantic Islands; Birds; Chickens; Disease Outbreaks/*history; Disease Reservoirs; Disease Susceptibility; Ecology; Europe/ethnology; History, 15th Century; Horses; Humans; Indians, South American; Influenza A virus/classification/genetics/pathogenicity; Influenza in Birds/epidemiology/history/transmission/virology; Influenza, Human/epidemiology/*history/mortality/transmission; Models, Biological; Orthomyxoviridae Infections/epidemiology/history/veterinary/virology; Poultry Diseases/epidemiology/history/transmission/virology; Reassortant Viruses/genetics/pathogenicity; Species Specificity; Sus scrofa; Swine Diseases/history/transmission/virology; Terminology; West Indies/epidemiology
Abstract When Christopher Columbus and his men embarked on the second Colombian expedition to the New World (1493), the crew suffered from fever, respiratory symptoms and malaise. It is generally accepted that the disease was influenza. Pigs, horses and hens acquired in Gomera (Canary Islands) traveled in the same ship. The pigs may well have been the origin of the flu and the intermediary hosts for genetic recombination of other viral subtypes. The Caribbean archipelago had a large population of birds, the natural reservoir of the avian influenza virus. In this ecological scenario there was a concurrence of several biological elements that had never before coexisted in the New World: pigs, horses, the influenza virus and humans. We propose that birds are likely to have played an important role in the epidemiology of the flu occurring on the second Colombian trip, which caused a fatal demographic catastrophe, with an estimated mortality of 90% among the natives.
Address Unidad de Patologia Infecciosa, Hospital Universitario Infanta Cristina, Servicio Extremeno de Salud, Universidad de Extremadura, Badajoz, Espana. infectio@unex.es
Corporate Author Thesis
Publisher Place of Publication Editor
Language Spanish Summary Language Original Title La gripe de Cristobal Colon. Hipotesis sobre una catastrofe ecologica
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0213-005X ISBN Medium
Area Expedition Conference
Notes PMID:16762260 Approved no
Call Number Equine Behaviour @ team @ Serial 2624
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Author Dauphin, G.; Zientara, S.; Zeller, H.; Murgue, B.
Title West Nile: worldwide current situation in animals and humans Type Journal Article
Year 2004 Publication Comparative Immunology, Microbiology and Infectious Diseases Abbreviated Journal Comp Immunol Microbiol Infect Dis
Volume 27 Issue (up) 5 Pages 343-355
Keywords Americas/epidemiology; Animals; Birds/virology; Culex/*virology; *Disease Outbreaks; Disease Reservoirs; Europe/epidemiology; Horses/virology; Humans; Insect Vectors/*virology; Middle East/epidemiology; West Nile Fever/*epidemiology/*veterinary/virology; West Nile virus/*growth & development
Abstract West Nile (WN) virus is a mosquito-borne flavivirus that is native to Africa, Europe, and Western Asia. It mainly circulates among birds, but can infect many species of mammals, as well as amphibians and reptiles. Epidemics can occur in rural as well as urban areas. Transmission of WN virus, sometimes involving significant mortality in humans and horses, has been documented at erratic intervals in many countries, but never in the New World until it appeared in New York City in 1999. During the next four summers it spread with incredible speed to large portions of 46 US states, and to Canada, Mexico, Central America and the Caribbean. In many respects, WN virus is an outstanding example of a zoonotic pathogen that has leaped geographical barriers and can cause severe disease in human and equine. In Europe, in the past two decades there have been a number of significant outbreaks in several countries. However, very little is known of the ecology and natural history of WN virus transmission in Europe and most WN outbreaks in humans and animals remain unpredictable and difficult to control.
Address AFSSA Alfort, UMR1161 (INRA-AFSSA-ENVA), 22 rue Pierre Curie, BP 63, 94703 Maisons-Alfort Cedex, France
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0147-9571 ISBN Medium
Area Expedition Conference
Notes PMID:15225984 Approved no
Call Number Equine Behaviour @ team @ Serial 2635
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