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At least 73 records · Page 4Linked to original sources
PubMed1997

Trial of a capripoxvirus-rinderpest recombinant vaccine in African cattle.

Cattle were vaccinated with differing doses of an equal mixture of capripox-rinderpest recombinant viruses expressing either the fusion protein (F) or the haemagglutinin protein (H) of rinderpest virus. Animals vaccinated with 2 x 10(4) p.f.u. or greater of the combined viruses were completely protected against challenge, 1 month later, with both virulent rinderpest and lumpy skin disease viruses. Vaccination with any of the doses did not induce any adverse clinical response in the animals or transmission of the vaccine virus between animals. All cattle challenged 6 or 12 months after vaccination with 2 x 10(5) p.f.u. of the mixture of recombinant viruses were protected from severe rinderpest disease. Ten out of 18 were completely protected while the remaining 8 developed mild clinical signs of rinderpest. Cattle vaccinated with the recombinant vaccines after prior infection with the parental capripox virus showed more marked clinical signs of rinderpest after challenge with virulent rinderpest, but 9 out of 10 recovered, compared with 80% mortality in the unvaccinated controls.

Animals↗
PubMed1992

Capripoxvirus disease in an Arabian oryx (Oryx leucoryx) from Saudi Arabia.

Lumpy skin disease caused by a capripoxvirus was observed in a captive-bred female Arabian oryx (Oryx leucoryx) at the National Wildlife Research Center, Taif, Saudi Arabia. Clinical signs included severe general depression with fever, anorexia, greater than 1,000 nodular cutaneous lesions and gradual recovery over 2 mo. The virus was found by electron microscopy and paired sera showed an increasing virus neutralization antibody titer against capripoxvirus. A serologic survey of the herd of 90 oryx showed a low prevalence (2%) of this infection. This report describes the first case of lumpy skin disease in an Arabian oryx.

Abortion, Veterinary↗
PubMed1993

Control of capripoxvirus infections.

The capripoxviruses cause the most severe pox diseases of animals. Epidemiologically the diseases of sheep pox, goat pox and lumpy skin disease differ, but all three viruses may be mechanically transmitted by biting insects, and control without vaccination is extremely difficult in endemic areas. Recently developed live attenuated vaccines provide good, virtually lifelong, protection, which is dependent on stimulating cell-mediated immunity. Lumpy skin disease currently threatens to extend beyond its existing boundaries, causing concern and renewed interest in vaccine development. With the capripoxviruses showing great promise as vector vaccines, widespread use of a recombinant vaccine seems increasingly likely.

Animals↗
PubMed1990

Antibodies to some pathogenic agents in free-living wild species in Tanzania.

A total of 535 sera from eight species of wildlife were collected from different game areas in Tanzania between 1987 and 1989. These sera were tested for antibodies against foot-and-mouth disease, bovine herpes virus types 1 and 2, lumpy skin disease, bovine viral diarrhoea, Akabane, bovine ephemeral fever, bluetongue, enzootic bovine leucosis, African horse sickness and African swine fever viruses and Brucella abortus based on the expected species susceptibility. Sera from buffalo Syncerus caffer, wildebeest Connochaetes taurinus and topi Damaliscus korrigum contained antibodies against the majority of the pathogens tested. Antibodies to fewer pathogens were detected in sera from the other species. No antibodies to lumpy skin disease virus were detected in any of the sera examined. African horse sickness antibodies were detected in sera from Zebra and African swine fever antibodies were detected in wart hog. The occurrence of antibodies to these agents suggests that wild species act as reservoirs of infection for some of these pathogens. However, until the susceptibility of individual species is proven by isolation of the aetiological agents their role must remain speculative.

Animals↗
PubMed1997

Antibodies against some viruses of domestic animals in southern African wild animals.

Twenty-four species of South African wild animals were tested for the presence of antibodies against the viruses of 16 common diseases of domestic animals. Positive results were obtained for African horsesickness, equine encephalosis, equid herpes virus-1, infectious bovine rhinotracheitis, Allerton disease (Herpes mammillitis), lumpy skin disease, parainfluenza, encephalomyocarditis, bluetongue, Wesselsbron disease, bovine ephemeral fever, and Akabane disease complex. No antibodies could be demonstrated against the viruses of equine influenza, equine infectious anaemia, equine viral arteritis and Rift Valley fever. The negative results substantiate observations that the latter diseases, with the exception of equine viral arteritis, are absent in South Africa. The number of animal species found positive for a specific virus, ranged from 0-16. No antibodies were found in crocodiles and warthogs, whereas antibodies against Wesselsbron and bovid herpes virus-1 were present in 16 species. Antibodies against viruses of horses were found almost exclusively in zebras and, although elephants reacted to African horsesickness, no neutralizing antibodies against it could be demonstrated in their sera. Zebras were also found to be positive for Wesselsbron and Akabane, which are usually regarded as viruses of ruminants. Antibodies against most viruses were encountered in all vegetation zones in South Africa but, as a rule, most viruses were more prevalent in the high-rainfall zone in KwaZulu-Natal.

Animal Diseases↗
PubMed2000

Emerging diseases of Africa and the Middle East.

The term "emerging diseases" has been used recently to refer to different scenarios, all of which indicate changes in the dynamics of disease in the population. Of the OIE List A diseases, major changes have been experienced with rinderpest, peste des petit ruminants (PPR), contagious bovine pleuropneumonia (CBPP), foot-and-mouth disease, African swine fever, lumpy skin disease, and Rift Valley fever. Rinderpest represents a success story of the 1990s, thanks to the programs of the Pan African Rinderpest Campaign (PARC). The situation has changed from that of the 1980s when rinderpest was widespread throughout most of Tropical Africa and the Middle East. PPR is a disease that has become of increasing importance throughout Tropical Africa and the Middle East. CBPP, which had previously been reduced to sporadic incidence within endemic areas, invaded new areas, causing heavy mortality. African swine fever has extended to West Africa and to Madagascar, in both regions resulting in heavy losses. Climatic changes in both East and West Africa were associated with an upsurge of Rift Valley fever. Deficiencies in national veterinary services have contributed to failures in early detection and response; in many regions investigation and diagnosis services have deteriorated. The continuing structural adjustment program for national veterinary services will need to take into account their transformation from providers of services (e.g., vaccinations, medicines) to inspection and quality assurance services. Surveillance, early warning, and disease emergency preparedness will need to be pursued more vigorously in Africa and the Middle East as vital components of national veterinary services.

Africa↗
PubMed1986

Comparison of the external dimensions of capripoxvirus isolates.

No significant difference was found between the external dimensions of the M forms of isolates of sheep pox virus from Nigeria, sheep and goat pox virus from Kenya and lumpy skin disease virus from South Africa. Earlier reports that isolates of capripoxvirus can be distinguished by their relative sizes could not be substantiated.

Animals↗
PubMed1996

Viral diseases of livestock in Zambia.

This review is to provide information on viral diseases of livestock in Zambia. The distribution of the diseases as well as the control measures and limited research that has been done, are described. Foot and mouth disease (FMD) causes serious economic losses in the cattle industry. So far five serotypes (SAT1, SAT2, SAT3, O and At of FMD virus have been isolated in Zambia. Other notifiable viral diseases are rabies, Rift Valley fever, Lumpy skin disease, African horse sickness, bluetongue, African swine fever, Newcastle disease, Marek's disease, fowlpox and infectious bursal disease. Based on the reports of clinical and/or serological diagnoses, these are widespread in the country, although their precise incidence rates are not known. With the establishment of a veterinary school equipped with modern diagnostic facilities and the increasing number of qualified veterinary personnel, this review would stimulate surveillance study on the viral diseases for the ultimate goal of achieving effective disease control measures.

Animals↗
PubMed1986

Studies on the major common precipitating antigen of capripoxvirus.

The proteins of sheep pox, goat pox, sheep and goat pox and lumpy skin disease (Neethling) viruses were labelled with [35S]methionine. The major structural polypeptides of these viruses co-migrated on polyacrylamide gels, demonstrating the very close biochemical relationship between them. Using the agar gel immunodiffusion (AGID) test with radiolabelled antigen preparations, a major common precipitating antigen was identified. This co-migrated on polyacrylamide gels with one of the major structural polypeptides [mol. wt. 67000 (67K)]. The use of [35S]methionine-labelled antigen preparations considerably improved the sensitivity of the AGID test as a diagnostic test for capripoxvirus antibody detection.

Animals↗
PubMed1992

Serological survey for bovine bacterial and viral pathogens in captive Arabian oryx (Oryx leucoryx Pallas, 1776).

Tests for antibodies to bovine bacterial and viral pathogens were conducted on 239 sera from 128 Arabian oryx (Oryx leucoryx) from seven locations (Taif, Riyadh and Mahazat as Said, Saudi Arabia; San Diego, United States of America [USA]; Shaumari, Jordan; Qatar; and Bahrain). No antibodies to Pasteurella multocida type E or epizootic haemorrhagic disease 1 virus were found. Antibodies to Brucella abortus, P. multocida type B, P. multocida type D, lumpy skin disease virus and Akabane virus were detected in 2, 1, 5, 2 and 1 animals, respectively. Evidence of P. multocida type A, Coxiella burnetti, Chlamydia psittaci and parainfluenza 3 virus was found in 3 herds (prevalence in the main herd [n = 78]: 8%), 3 herds (8%), 6 herds (7%) and 5 herds (15%), respectively. Evidence of antibodies against bluetongue virus was found in five oryx from the USA and in one oryx from the Taif herd. Antibody vaccinal titres against rinderpest virus (and the virus of peste des petits ruminants, due to cross-reactions) were found in almost all the herds. This is the first report of antibodies against B. abortus, C. burnetti, C. psittaci, parainfluenza 3 virus and Akabane virus in the genus Oryx.

Animals↗
PubMed1999

Disease prevention and preparedness: the Food and Agriculture Organization Emergency Prevention System.

In 1994, the Food and Agriculture Organization undertook to revitalise its activities in the control of transboundary animal disease by establishing a new special programme known as the Emergency Prevention System (EMPRES) against transboundary animal and plant pests and diseases. The emphasis of the EMPRES livestock component is placed on pre-empting outbreaks and losses experienced by agriculture through the enhancement of local capacity to detect and react rapidly to plague events. EMPRES concentrates on the co-ordination of the Global Rinderpest Eradication Programme--a time-bound eradication programme--whilst addressing the progressive control of the most serious epidemic diseases within a broad framework of emergency preparedness. Programme activities are discussed in relation to early warning, early reaction, facilitating research and co-ordination. In addition to rinderpest, particular attention has been paid to contagious bovine pleuropneumonia, a re-emerging disease in Africa targeted for strategic attention, and foot and mouth disease, for which co-ordinated regional control in Latin America and South-East Asia has been initiated. Tactical responses to other disease emergencies such as African swine fever, classical swine fever (hog cholera), Rift Valley fever, peste des petits ruminants and lumpy skin disease are described.

Animal Diseases↗
PubMed2003

A survey of vaccines produced for OIE list A diseases in OIE member countries.

A survey was conducted to determine the availability, country of origin, and manufacturer of vaccines for all Office International Des Epizooties (OIE) list A diseases. A large number of classical swine fever, foot-and-mouth disease and Newcastle disease vaccines were found. A limited number of vaccines was also located for African horse sickness, bluetongue, contagious bovine pleuropneumonia, highly pathogenic avian influenza, lumpy skin disease, peste des petits ruminants, rift valley fever, rinderpest, sheep and goat pox, and vesicular stomatitis. No African swine fever or swine vesicular disease vaccines were found. Experimental vaccines are not included in this survey.

Animal Diseases↗
PubMed2006

The current status of sheep pox disease.

Sheep are the moving banks of shepherds and their economic contribution in terms of meat, wool and skin/hide is immense. Various infectious diseases jeopardize the optimum productivity; among which sheep pox is more important as the disease restricts the export of sheep and their products besides other economic losses. Although, clinical signs are indicative of the disease but a laboratory confirmation is necessary for unequivocal diagnosis and studying epidemiology. The causative agent, sheep pox virus (SPV), is antigenically and genetically closely related to goat pox virus (GPV) and lumpy skin disease virus (LSDV), the other members of the genus capripox virus. In some countries, SPV and GPV are cross infective to small ruminants posing problem in diagnosis and epidemiology. However, recent studies have showed that the viruses are phylogenetically distinct and can be differentiated by molecular tools. Prophylaxis using attenuated vaccines is the choice of control measure as the immunity is long lasting. Detailed information on isolation, identification, pathology, epidemiology, diagnosis and prophylaxis would not only help in updating the knowledge of scientific fraternity but will be useful to the policy makers in order to formulate appropriate measures for control and eradication of the disease. This synthesis is to present an up-to-date review of the disease and its control to provide the reader with an overview of the problem.

Animals↗
PubMed2026

Three thousand five hundred years of sheeppox virus evolution inferred from archaeological and codicological genomes.

Sheeppox virus (SPPV) is a major livestock pathogen causing economic hardship through reduced production and death of vulnerable sheep, with written descriptions of sheeppox-like disease recorded since antiquity. We report 21 novel ancient SPPV genomes spanning the Eurasian steppe Bronze Age (∼1700 BCE) to the Early Modern period in Western Europe, including multiple genomes obtained from medieval parchment. We estimate that major capripoxvirus lineages diverged ∼11,500 to 3700 years ago, overlapping known translocations and bio-cultural developments in sheep. Our dataset supports SPPV diverging first within the lineage leading to goatpox virus and lumpy skin disease virus, and that known gene inactivation events within SPPV and goatpox virus occur in our earliest SPPV genomes. These findings reveal that the food security of Eurasian communities has been threatened by sheeppox for more than 3700 years and provide insights into the genomic evolution and potential host adaptation of SPPV.

Animals↗
PubMed1971

Investigations of Allerton-type herpes virus infection in East African game animals and cattle.

Neutralization tests with a strain (BA) of Allerton-type herpes virus, derived from a buffalo (Syncerus caffer) were carried out on 924 sera from 17 species of E. African game animals and on cattle sera from Tanzania (2001), Kenya (792) and Uganda (410).Buffalo populations throughout E. Africa showed a very high rate of infection, with all animals over 2 years of age serologically positive. Antibody was present in some giraffe, waterbuck and hippopotamus sera and, less frequently, in impala, eland, bushbuck and oryx. Data are provided on the titres of positive samples; the mean titre of buffalo sera increased with age.Cattle in many localities of N. Tanzania and S. Kenya showed a very high rate of infection, 85-95% of sera from animals more than 2-years old containing antibody; the titres recorded were lower than those in buffaloes. Very high infection rates were also found in Karamoja and Teso (Uganda) and also in some other areas of Kenya, whilst a considerably lower incidence of infection was detected in W. Nile Province of Uganda and in central Tanzania. Differences in infection rates may have been related to herd size and husbandry practices.It was shown that a wave of infection was probably spreading through cattle in N. Tanzania at about the same time as an outbreak of disease occurred in buffaloes and it is suggested that virus transmission may have been by biting flies.No clinical signs attributable to the virus were reported in cattle but mouth lesions similar to those recorded in buffaloes, or nasal lesions, could have passed undetected. Allerton-type virus probably produces a range of clinical syndromes in cattle, closely resembling those associated with some herpes viruses in primates but infection is seldom related in the field to either pseudo-lumpy skin disease, mammillitis or stomatitis.

Africa, Eastern↗
PubMed2004

Extending the foot-and-mouth disease module to the control of other diseases.

During the recent devastating epidemics of foot-and-mouth disease (FMD), bluetongue (BT), the highly pathogenic avian influenza (HPAI) and New Castle disease, more than 115 million animals were culled. The mass slaughter of animals raised serious ethical questions. These epidemics showed that the use of emergency vaccination is an essential element in disease control. During the last decade the FMD antigen banks have proved to be effective and this module should be extended. An international vaccine stock should be considered for classical swine fever and HPAI. Agreements with vaccine producers should be made easily available, with instant access to a vaccine reserve for rinderpest, peste des petits ruminants, BT, African horse sickness and Rift valley fever. These vaccines should meet international standards and should allow distinction between vaccinated and infected animals. Information should be gathered proactively on the use of vaccines for lumpy skin disease, sheep and goat pox and contagious bovine pleuropneumonia.

Animals↗