[1] Zagazig Univ, Fac Med, Med Microbiol & Immunol Dept, Zagazig, Egypt
[2] Ain Shams Univ, Fac Med, Med Microbiol & Immunol Dept, Cairo, Egypt
[3] Cairo Univ, Fac Med, Clin Pathol Dept, Cairo, Egypt
[4] Minist Hlth & Populat, Cairo, Egypt
[5] Zagazig Univ, Fac Med, Chest Dept, Zagazig, Egypt
[6] Zagazig Univ, Fac Med, Family Med Dept, Zagazig, Egypt
[7] Zagazig Univ, Fac Med, Anesthesia & Surg Intens Care Dept, Zagazig, Egypt
[8] Cairo Univ, Fac Med, Anesthesia & Surg Intens Care Dept, Cairo, Egypt
[9] Dar Al Fouad Hosp, Infect Prevent & Control Dept, Cairo, Egypt
[10] Menoufeya Univ, Natl Liver Inst, Microbiol & Immunol Dept, Shibin Al Kawm, Egypt
[11] Zagazig Univ, Fac Med, Community Occupat & Environm Med Dept, Zagazig, Egypt
[12] Princess Nourah Bint Abdulrahman Univ, Hlth Sci & Rehabil Coll, Hlth Sci Dept, Riyadh, Saudi Arabia