[1] Zagazig Univ, Fac Med, Dept Med Microbiol & Immunol, Zagazig, Egypt
[2] Viral Infect Working Grp Int Soc Antimicrobial Che, London, England
[3] Zagazig Univ, Fac Med, Dept Publ Hlth & Community Med, Zagazig, Egypt
[4] Qatar Armed Forces Hosp, Microbiol & Immunol, Doha, Qatar
[5] Al Ahli Hosp, Microbiol, Doha, Qatar
[6] Zagazig Univ, Fac Med, Dept Dermatol Venereol & Androl, Zagazig, Egypt
[7] Zagazig Univ, Dept Trop Med, Zagazig, Egypt
[8] Port Said Univ, Dept Trop Med, Port Said, Egypt
[9] Zagazig Univ, Fac Med, Dept Internal Med, Zagazig, Egypt
[10] Zagazig Univ, Fac Med, Dept Family Med, Zagazig, Egypt
[11] Zagazig Univ, Fac Med, Dept Pediat, Zagazig, Egypt
[12] Zagazig Univ, Fac Nursing, Dept Community Hlth Nursing, Zagazig, Egypt
[13] Zagazig Univ, Fac Med, Zagazig, Egypt