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Potential vectors of equine arboviruses in the UK

Chapman, Gail E, Archer, Debra, Torr, Steve, Solomon, Tom and Baylis, Matthew (2017) 'Potential vectors of equine arboviruses in the UK'. Veterinary Record, Vol 180, Issue 19.

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Abstract

There is growing concern about the increasing risk of disease outbreaks caused by arthropod-borne viruses (arboviruses) in both humans and animals. There are several mosquito-borne viral diseases that cause varying levels of morbidity and mortality in horses and that can have substantial welfare and economic ramifications. While none has been recorded in the UK, vector species for some of these viruses are present, suggesting that UK equines may be at risk. We undertook, therefore, the first study of mosquito species on equine premises in the UK. Mosquito Magnet traps and red-box traps were used to sample adults, and larvae were collected from water sources such as tyres, buckets, ditches and pools. Several species which are known to be capable of transmitting important equine infectious arboviruses were trapped. The most abundant, with a maximum catch of 173 in 72 hours was Ochlerotatus detritus, a competent vector of some flaviviruses; the highest densities were found near saltmarsh habitats. The most widespread species, recorded at >75% of sites, was Culiseta annulata. This study demonstrates that potential mosquito vectors of arboviruses, including those known to be capable of infecting horses, are present and may be abundant on equine premises in the UK.

Item Type: Article
Subjects: QW Microbiology and Immunology > Viruses > QW 160 Viruses (General). Virology
QX Parasitology > Insects. Other Parasites > QX 510 Mosquitoes
QX Parasitology > Insects. Other Parasites > QX 650 Insect vectors
WA Public Health > Preventive Medicine > WA 110 Prevention and control of communicable diseases. Transmission of infectious diseases
WC Communicable Diseases > Virus Diseases > Infectious Mononucleosis. Arbovirus Infections > WC 524 Arbovirus infections
Faculty: Department: Biological Sciences > Vector Biology Department
Digital Object Identifer (DOI): https://doi.org/10.1136/vr.103825
Depositing User: Carmel Bates
Date Deposited: 04 Oct 2016 09:41
Last Modified: 06 Feb 2018 13:13
URI: http://archive.lstmed.ac.uk/id/eprint/6223

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