Serological evidence of Rift Valley fever viral infection among camels imported into Southern Algeria

被引：3

作者：

Trabelsi, Melissa Katia ^{[1
,2
]}

Hachid, Aissam ^{[3
,4
]}

Derrar, Fawzi ^{[5
,6
]}

Messahel, Nacer Eddine ^{[7
]}

Bia, Taha ^{[8
]}

Mockbel, Youcef ^{[9
]}

Khardine, Ahmed Fayez ^{[4
]}

Degui, Djilali ^{[1
,2
]}

Bellout, Lydia ^{[1
]}

Benaissa, Mohammed Hocine ^{[10
]}

Leulmi, Hamza ^{[11
]}

Khelef, Djamel ^{[12
]}

Kaidi, Rachid ^{[1
,2
]}

Hakem, Achene ^{[13
]}

Bouguedour, Rachid ^{[14
]}

Bitam, Idir ^{[15
]}

Lafri, Ismail ^{[1
,2
]}

机构：

[1] Univ Blida 1, Inst Sci Vet, Dept Chim, Blida 09000, Algeria

[2] Univ Blida 1, Inst Sci Vet, Lab Biotechnol Liees Reprod Anim LBRA, Blida 09000, Algeria

[3] Univ Alger 1, Fac Pharm, Algiers 16000, Algeria

[4] Inst Pasteur, Lab Arbovirus & Virus Emergents, Algiers 16000, Algeria

[5] Univ Alger 1, Fac Med, Algiers 16000, Algeria

[6] Inst Pasteur, Lab Grippes & virus resp, Algiers 16000, Algeria

[7] Univ Setif 1, Fac Sci Nat & Vie, Setif 19000, Algeria

[8] Univ Tiaret, Inst Sci Vet, Tiaret 14000, Algeria

[9] Direct Serv Agr wilaya Tindouf, Tindouf, Algeria

[10] Ctr Rech Sci & Tech Reg Arides CRSTRA, Touggourt 55000, Algeria

[11] Univ Blida 1, Fac Sci Nat & Vie, Dept Chim, Blida 09000, Algeria

[12] Ecole Natl Super Vet, Algiers 16000, Algeria

[13] Ctr Rech Agropastoralisme CRAPast Djelfa, Djelfa 17000, Algeria

[14] Org Mondiale Sante Anim OMSA, Representat Sous Reg Afrique Nord, 17 Ave Afrique El Menzah 5, Tunis 2091, Tunisia

[15] Ecole Super Sci Aliment & Ind Agroalimentaires, Algiers 16000, Algeria

来源：

COMPARATIVE IMMUNOLOGY MICROBIOLOGY AND INFECTIOUS DISEASES | 2023年 / 100卷

关键词：

Algeria; Camelus dromedaries; Competitive ELISA; Phlebovirus; Rift Valley fever; POTENTIAL VECTORS; VIRUS; EPIDEMIOLOGY; ANTIBODIES; SEROPREVALENCE; MOSQUITOS; LIVESTOCK; OUTBREAK; IMPACT;

D O I：

10.1016/j.cimid.2023.102035

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Rift Valley fever (RVF) is a mosquito-borne viral zoonosis caused by the Rift Valley fever virus (RVFV). The present work aims to investigate the epidemiological status and identify the risk factors associated with RVFV infection in dromedary camels (Camelus dromedarius) from southern Algeria. A total of 269 sera of apparently healthy camels was collected and tested using a competitive Enzyme-Linked Immunosorbent Assay (ELISA). Overall, 72 camels (26.7 %, 95 % CI: 21.4-32) were seropositive to RVFV. IgG antibodies were found to be most prevalent in camels from south-western areas, particularly in Tindouf wilaya (52.38 %, p < 0.0001), and in camels introduced from bordering Sahelian countries (35.8 %) (OR = 8.75, 95 %CI: 2.14-35.81). No anti-RVFV antibodies were detected in sera collected from local camels (0 %). Adult (5-10 years) and aged (>10 years) camels have a significantly higher risk of being infected by RVFV (OR = 2.15; 95 %CI = 1.21-3.81, OR = 2.05; 95 %CI = 1.03-4.11, respectively). This report indicated that dromedaries imported to the south-western areas are exposed to RVFV and may contribute to its spread in Algerian territories.

引用

页数：7

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