Overview of African horse sickness virus (AHSV) situation in Egypt from 2017 to 2022
2024
Hala K. Abdelmegeed | Dina A. Abdelwahed | Heba A. Hussein | Rabab T. Hassanien | Nadia M.H. Danial | Shimaa M. Ghoniem | Eman M. Abohatab | Omayma A. Shemies | Ahmed R. Habashi | Ahmed M. Erfan | Eman A. Elkelesh | Mohamed Ateay | Ahmed Hany | Naglaa Radwan | Ehab Saber | Momtaz A. Shahein
African horse sickness (AHS) is a non-contagious arthropod-borne infectious disease of Equidae. Because of its severity and quick spread, It is cosidered as a notifiable disease. The current study intended to look into the current suitation of the vector-borne African horse sickness virus (AHSV) in Egypt, determine viral seroprevelance, and assess the associated risk factors. In this context, 2739 sera and 150 spleen samples were collected from different Egyptian governorates and tested for AHSV screening. The sera were investigated for presence of antibodies against AHSV whilst spleen samples were tested for AHSV Ag and RNA detection. The obtained results revealed that all 2739 sera samples tested negative for AHSV antibodies. Furthermore, using ELISA and conventional reverse-transcription polymerase chain reaction (RT-PCR), to identify AHSV Ag and nucleic acid, the 150 tested spleen samples gave negative results with both assays. In conclusion, the recorded results indicated the absence of antibodies, antigen, and viral nucleic acid of AHSV in all tested samples which proved that there is no circulating virus in the investigated Egyptian governorates in the period from 2017 to 2022. Evenually, the effective control programs are recommended by carrying out further epidemiological investigations to understand the current situation of arboviruses in the country.
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