Seroepidemiological study of Rift Valley fever (RVF) in animals in Saudi Arabia.

Tropical Animal Health and Production
Adel I Al-AfaleqAnwar G Kabati

Abstract

Serological prevalence of IgG antibodies against Rift Valley fever (RVFV) virus was investigated in 22 major localities in five different regions of Saudi Arabia where vaccination against RVF virus (RVFV) is not practiced. The study excludes the southwestern region where a major outbreak of RVF occurred in 2000 and where annual vaccination of ruminants is practiced. Sheep and goat IgG-sandwich ELISA were used to test serum samples from sheep and goats, and bovine IgG-sandwich ELISA was used to test cattle sera. A nonspecies-specific, nonantibody isotype-specific ELISA was used to test camel sera. A total of 3,480 sheep, goats, cattle and camels with no previous history of vaccination against RVFV were randomly tested. All tested animals were negative for IgG class antibodies against the virus except four out of 1,508 sheep and three out of 913 goats, which tested positive. All animals were clinically normal and no evidence was found of virus activity in the studied areas. It is, therefore, most likely that those rare positive cases, which constituted 0.002% of the total animals tested, were either false positives or vaccinates smuggled from the outbreak zone. The need for regular monitoring of animals both within the outbreak z...Continue Reading

References

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Sep 20, 2011·Vector Borne and Zoonotic Diseases·Adel I Al-Afaleq, Mansour F Hussein

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Citations

Sep 20, 2011·Vector Borne and Zoonotic Diseases·Adel I Al-Afaleq, Mansour F Hussein
May 15, 2013·Journal of Infection and Public Health·Tarik A Al AzraqiAhmed A Mahfouz
Feb 21, 2018·Journal of Vector Borne Diseases·Shahin FakourElham Ahmadi
Dec 15, 2020·PloS One·Compton J TuckerJennifer L Small
Feb 21, 2021·Comparative Immunology, Microbiology and Infectious Diseases·Shahin FakourElham Ahmadi

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