Rift valley fever in camels

Scott, G. R.; Coackley, W.; Roach, R. W.; Cowdy, N. R.

doi:10.1002/path.1700860131

Cited by 27 publications

(15 citation statements)

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“…The positive cattle sera were found adjacent to riverine habitat extending from a RVF enzootic area, the positive camel sera came from the same area. This paper and that of Scott et al (1963) show the potential for RVF to occur in some semi-desert zones. This is an important observation in the study of the ecology of RVF, and suggests that the virus may persist in islands of enzootic habitat in such areas, or be introduced during epizootics.…”

mentioning

confidence: 65%

“…Positive sera with high titres of serum neutralizing antibody were found in 22 0 of camels at one of the seven sampling sites. Scott et al (1963) reported the presence of neutralizing antibody to Rift Valley Fever (RVF) virus in camel sera from the Garissa and Marsabit districts of northern Kenya. They associated this finding with the previous widespread abortions in camel herds which had instigated their investigations.…”

mentioning

confidence: 99%

“…Experimental infection did not produce any disease (O. L. Wood, personal communication). Abortions have been attributed to RVF infection in camels on the basis of retrospective serology (Scott et al 1963;Ali & Kamel, 1978). There were no abortions in the herd showing high titres of antibody to RVF in this study.…”

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confidence: 99%

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Rift Valley Fever in Kenya: the presence of antibody to the virus in camels (Camelus dromedarius)

Davies

Koros

Mbugua

1985

J. Hyg.

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confidence: 65%

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confidence: 99%

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Rift Valley Fever in Kenya: the presence of antibody to the virus in camels (Camelus dromedarius)

Davies

Koros

Mbugua

1985

J. Hyg.

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“…However, naturally infected camels may present no signs of illness other than abortion (Scott et al 1963). Hence the disease in camels is probably often overlooked.…”

Section: Resultsmentioning

confidence: 99%

Preliminary survey of domestic animals of the Sudan for precipitating antibodies to Rift Valley fever virus

Eisa¹

1984

J. Hyg.

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SUMMARYIn a preliminary seroepidemiological survey a total of 780 serum samples derived from various domestic animals of the Sudan were examined for Rift Valley fever (RVF) virus precipitating antibodies. The incidence was approximately 34-3 % in sheep, 33-2 % in cattle, 22 % in goats, 7 9 % in camels and 4 % in donkeys. The findings indicated that RVF is mainly prevalent in the rich savanna areas of the south as well as the irrigated areas close to the Nile in the north.Circumstantial evidence suggests that the detected antibodies were induced by a long-standing cryptically cycling infection and that resurgence of extensive epizootics is unlikely although limited outbreaks may occur. It is concluded that RVF virus circulates across the country in a south-north range along the Nile Valley with little or no extension to the drier lands to the east and west, and that ruminants are the primary species involved in virus maintenance. These species evidently serve as main amplifiers of infection during epizootics, but whether or not they also serve as sole virus reservoirs in inter-epizootic periods has yet to be determined.

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“…Some authors mention subclinical or mild forms ( 5 ) or even the capacity to carry the virus without clinical signs ( 1 ). In contrast, in the past, widespread abortion waves in camels were observed during RVF outbreaks in Kenya and Egypt and were associated with positive serologic test results ( 6 , 7 ). Furthermore, camels are suspected of playing a major role in the spread of RVF from northern Sudan to southern Egypt in 1977 ( 8 ).…”

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confidence: 95%