African Swine Fever Virus in Ticks (Ornithodoros moubata, Murray) collected from Animal Burrows in Tanzania

Plowright, W.; Parker, John; Peirce, M. A.

doi:10.1038/2211071a0

Cited by 157 publications

(119 citation statements)

References 4 publications

Supporting

Mentioning

113

Contrasting

Unclassified

Order By: Relevance

“…Infestation rates of warthog burrows in areas where argasid ticks are present are variable in terms of the numbers and stages of ticks found, the AFSV infection rate and proportion of burrows infested (Plowright et al, 1969;Bastos et al, 2009). Reasons for this variation remain unclear, but variable warthog density and activity in burrows, together with virus heterogeneity are likely contributing factors.…”

Section: Warthog/tick Cyclementioning

confidence: 99%

Role of Wild Suids in the Epidemiology of African Swine Fever

2009

View full text Add to dashboard Cite

There is presently no vaccine to combat African swine fever (ASF), a viral hemorrhagic fever of domestic pigs that causes up to 100% morbidity and mortality in naive, commercial pig populations. In its endemic setting, ASF virus cycles between asymptomatic warthogs and soft ticks, with persistence in exotic locations being ascribed to the almost global distribution of susceptible soft tick and suid hosts. An understanding of the role played by diverse hosts in the epidemiology of this multi-host disease is crucial for effective disease control. Unlike the intensively studied Ornithodoros tick vector, the role of many wild suids remains obscure, despite growing recognition for suid-exclusive virus cycling, without the agency of the argasid tick, at some localities. Because the four wild suid genera, Phacochoerus, Potamochoerus, Hylochoerus, and Sus differ from each other in taxonomy, distribution, ecology, reservoir host potential, virus shedding, ASF symptomology, and domestic-pig contact potential, their role in disease epidemiology is also varied. This first consolidated summary of ASF epidemiology in relation to wild suids summarizes current knowledge and identifies information gaps and future research priorities crucial for formulating effective disease control strategies.

show abstract

Section: Warthog/tick Cyclementioning

confidence: 99%

Role of Wild Suids in the Epidemiology of African Swine Fever

2009

View full text Add to dashboard Cite

show abstract

“…The discovery that the argasid tick Ornithodoros moubata, collected from warthog burrows in East Africa contained ASF virus (Plowright, Parker & Peirce, 1969a) was a major step forward. Following this it was established that ASF virus replicates in the ticks, that naturally infected ticks can transmit the disease to domestic pigs under experimental conditions, and that both transovarial and sexual transmission of virus are possible in ticks (Plowright, Parker & Peirce, 1969b;; Plowright, Perry & Greig, 1974).…”

Section: Introductionmentioning

confidence: 99%

Isolation of African swine fever virus from ticks of the Ornithodoros moubata complex (Ixodoidea: Argasidae) collected within the African swine fever enzootic area of Malawi

Haresnape¹,

Wilkinson

Mellor

1988

Epidemiol. Infect.

View full text Add to dashboard Cite

SUMMARYTicks of the Ornithodoros moubata complex were collected from domestic pig sties and dwelling houses, and from a warthog habitat, and tested for the presence of African swine fever (ASF) virus. Collections were made in 9 of the 24 districts of Malawi, these being primarily the districts in which 0. mowbata is most numerous. ASF virus was isolated from ticks collected in both domestic pig sties and houses in certain villages in Mchinji district where ASF outbreaks had recently occurred. Mchinji district is in the centre of a large ASF enzootic area which stretches into other districts of Malawi and -.also into Zambia and Mozambique. The high titre of virus in some of the ticks demonstrates that 0. moubata can act as a virus reservoir and potential vector of disease in the field situation in Malawi.

show abstract

“…In Spain, a species of soft tick, Ornithodoros erraticus, was identified as a vector and reservoir for the virus (Sanchez-Botija 1963) and, following this discovery in Europe, ticks of the Ornithodoros spp. which include O. moubata, O. porcinus domesticus and O. porcinus porcinus, were identified as vectors and reservoirs for the virus in Africa (Plowright et al 1969).…”

Section: History and Distributionmentioning

confidence: 99%

African swine fever: how can global spread be prevented?

Costard

Wieland

Glanville

et al. 2009

Phil. Trans. R. Soc. B

427

407

View full text Add to dashboard Cite

African swine fever (ASF) is a devastating haemorrhagic fever of pigs with mortality rates approaching 100 per cent. It causes major economic losses, threatens food security and limits pig production in affected countries. ASF is caused by a large DNA virus, African swine fever virus (ASFV). There is no vaccine against ASFV and this limits the options for disease control. ASF has been confined mainly to sub-Saharan Africa, where it is maintained in a sylvatic cycle and/or among domestic pigs. Wildlife hosts include wild suids and arthropod vectors. The relatively small numbers of incursions to other continents have proven to be very difficult to eradicate. Thus, ASF remained endemic in the Iberian peninsula until the mid-1990s following its introductions in 1957 and 1960 and the disease has remained endemic in Sardinia since its introduction in 1982. ASF has continued to spread within Africa to previously uninfected countries, including recently the Indian Ocean islands of Madagascar and Mauritius. Given the continued occurrence of ASF in sub-Saharan Africa and increasing global movements of people and products, it is not surprising that further transcontinental transmission has occurred. The introduction of ASF to Georgia in the Caucasus in 2007 and dissemination to neighbouring countries emphasizes the global threat posed by ASF and further increases the risks to other countries. We review the mechanisms by which ASFV is maintained within wildlife and domestic pig populations and how it can be transmitted. We then consider the risks for global spread of ASFV and discuss possibilities of how disease can be prevented.

show abstract

African Swine Fever Virus in Ticks (Ornithodoros moubata, Murray) collected from Animal Burrows in Tanzania

Cited by 157 publications

References 4 publications

Role of Wild Suids in the Epidemiology of African Swine Fever

Role of Wild Suids in the Epidemiology of African Swine Fever

Isolation of African swine fever virus from ticks of the Ornithodoros moubata complex (Ixodoidea: Argasidae) collected within the African swine fever enzootic area of Malawi

African swine fever: how can global spread be prevented?

Contact Info

Product

Resources

About