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A study of African swine fever virus infected ticks (Ornithodoros moubata) collected from three villages in the ASF enzootic area of Malawi following an outbreak of the disease in domestic pigs

Haresnape, J. M. and Wilkinson, P. J. (1989). A study of African swine fever virus infected ticks (Ornithodoros moubata) collected from three villages in the ASF enzootic area of Malawi following an outbreak of the disease in domestic pigs. Epidemiology and Infection, 102(3) pp. 507–522.

URL: http://europepmc.org/backend/ptpmcrender.fcgi?acci...
DOI (Digital Object Identifier) Link: https://doi.org/10.1017/S0950268800030223
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Abstract

A detailed study was made in 1983–5 in three villages in Mehinji district in the African swine fever (ASF) enzootic area of Malawi, following an outbreak of ASF which affected all three villages.

Ticks of the Ornithodoros moubata complex were collected from both pig sties and houses shortly after the outbreak, and approximately 24% contained ASF virus. The proportion of ticks infected did not differ significantly in the three villages, or more surprisingly in different types of premises, and was equivalent in all stages of ticks. The proportion infected decreased with the passage of time, but infected ticks were still present in all three villages 8 months after the outbreak, some with high titres of virus.

The proportion of seropositive pigs in the three villages approached 100% following the outbreak, with many apparently healthy pigs being seropositive. It is suggested that Malawian isolates of ASF virus may be less virulent in African than European breeds of domestic pig.

Item Type: Journal Item
Copyright Holders: 1989 Cambridge University Press
ISSN: 1469-4409
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetOverseas Development Administration, UK
Keywords: African swine fever virus; Malawi; Ornithodoros moubata; virus infected ticks; domestic pigs
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 57814
Depositing User: Janet Haresnape
Date Deposited: 23 Nov 2018 15:32
Last Modified: 10 Dec 2018 04:23
URI: http://oro.open.ac.uk/id/eprint/57814
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