[1] Sultan Qaboos Univ, Fac Med & Hlth Sci, Dept Biochem, Al Khoud, Oman
[2] Sudan Acad Sci, Dept Epidemiol & Mol Biol, Khartoum, Sudan
[3] Sultan Qaboos Univ, Fac Med & Hlth Sci, Dept Microbiol & Immunol, Al Khoud, Oman
[4] Ahfad Univ Women, Omdurman, Sudan
[5] Trop Med Res Inst, Khartoum, Sudan
[6] Univ Khartoum, Inst Endem Dis, Khartoum, Sudan
[7] Univ Hail, Fac Sci, Dept Biol, Hail, Saudi Arabia
[8] Cardiff Univ, Coll Biomed Sci, Sch Med, Div Populat Med, Cardiff, S Glam, Wales
[9] Ibn Sina Univ, Biosci Res Inst, Khartoum, Sudan
[10] Qatar Fdn Educ City, Dept Microbiol & Immunol, Weill Cornell Med Qatar, Doha, Qatar