[1] Kuwait Univ, Fac Allied Hlth Sci, Dept Med Lab Sci, Sulibikhat 90805, Kuwait
[2] Kuwait Univ, Fac Med, Dept Microbiol, Virol Unit, Sulibikhat 90805, Kuwait
[3] Kuwait Univ, Fac Med, Dept Obstet & Gynaecol, Sulibikhat 90805, Kuwait
[4] Kuwait Univ, Fac Med, Dept Pathol, Sulibikhat 90805, Kuwait